Stephenson Family Tree » Duke Casimir I of Cieszyn (1280-1358)
Personal data Duke Casimir I of Cieszyn
- He was born in the year 1280 in Katowice, Slaskie, Poland.
- He died on September 29, 1358 in Cieszyn, Kraków, Poland, he was 78 years old.
- He is buried in Cieszyn, Poland.
- A child of Mieszko Piast I of Cieszyn and Grzymisława Duchess of Opole
- A child of Mieszko Piast I of Cieszyn and Grzymisława Duchess of Opole
- A child of Mieszko Piast I of Cieszyn and Grzymisława Duchess of Opole
- A child of Mieszko Piast I of Cieszyn and Grzymisława Duchess of Opole
- A child of Mieszko Piast I of Cieszyn and Grzymisława Duchess of Opole
- A child of Mieszko Piast I of Cieszyn and Grzymisława Duchess of Opole
- This information was last updated on October 19, 2023.
Household of Duke Casimir I of Cieszyn
(1) He is married to Euphemia of Czersk-Warsaw.
They got married before August 19, 1324.
Child(ren):
- Jolanta Helena of Cieszyn ± 1327-1403
- Władysław of Cieszyn ± 1328-1355
- Boleslaw of Cieszyn ± 1331-1356
- Siemowit of Cieszyn ± 1333-1391
- Elzbieta of Teschen ± 1335-1364
- Przemysław I Noszak Piast ± 1335-1410
- Agnieszka Princess Of Teschen ± 1338-1371
- Jan of Cieszyn 1339-1359
(2) He is married to Euphemia of Czersk-Warsaw.
They got married before August 19, 1324.
Child(ren):
- Jolanta Helena of Cieszyn ± 1327-1403
- Władysław of Cieszyn ± 1328-1355
- Boleslaw of Cieszyn ± 1331-1356
- Siemowit of Cieszyn ± 1333-1391
- Elzbieta of Teschen ± 1335-1364
- Przemysław I Noszak Piast ± 1335-1410
- Agnieszka Princess Of Teschen ± 1338-1371
- Jan of Cieszyn 1339-1359
(3) He is married to Euphemia of Czersk-Warsaw.
They got married before August 19, 1324.
Child(ren):
- Jolanta Helena of Cieszyn ± 1327-1403
- Władysław of Cieszyn ± 1328-1355
- Boleslaw of Cieszyn ± 1331-1356
- Siemowit of Cieszyn ± 1333-1391
- Elzbieta of Teschen ± 1335-1364
- Przemysław I Noszak Piast ± 1335-1410
- Agnieszka Princess Of Teschen ± 1338-1371
- Jan of Cieszyn 1339-1359
(4) He is married to Euphemia of Czersk-Warsaw.
They got married before August 19, 1324.
Child(ren):
- Jolanta Helena of Cieszyn ± 1327-1403
- Władysław of Cieszyn ± 1328-1355
- Boleslaw of Cieszyn ± 1331-1356
- Siemowit of Cieszyn ± 1333-1391
- Elzbieta of Teschen ± 1335-1364
- Przemysław I Noszak Piast ± 1335-1410
- Agnieszka Princess Of Teschen ± 1338-1371
- Jan of Cieszyn 1339-1359
(5) He is married to Euphemia of Czersk-Warsaw.
They got married before August 19, 1324.
Child(ren):
- Jolanta Helena of Cieszyn ± 1327-1403
- Władysław of Cieszyn ± 1328-1355
- Boleslaw of Cieszyn ± 1331-1356
- Siemowit of Cieszyn ± 1333-1391
- Elzbieta of Teschen ± 1335-1364
- Przemysław I Noszak Piast ± 1335-1410
- Agnieszka Princess Of Teschen ± 1338-1371
- Jan of Cieszyn 1339-1359
(6) He is married to Euphemia of Czersk-Warsaw.
They got married before August 19, 1324.
Child(ren):
- Jolanta Helena of Cieszyn ± 1327-1403
- Władysław of Cieszyn ± 1328-1355
- Boleslaw of Cieszyn ± 1331-1356
- Siemowit of Cieszyn ± 1333-1391
- Elzbieta of Teschen ± 1335-1364
- Przemysław I Noszak Piast ± 1335-1410
- Agnieszka Princess Of Teschen ± 1338-1371
- Jan of Cieszyn 1339-1359
(7) He is married to Euphemia of Czersk-Warsaw.
They got married before August 19, 1324.
Timeline Duke Casimir I of Cieszyn
This functionality is only available in Javascript supporting browsers.
Click on the names for more info.
Symbols used: 
grandparents
parents
brothers/sisters
children
grandparents
parents
brothers/sisters
children
Ancestors (and descendant) of Casimir I of Cieszyn
Casimir I of Cieszyn | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
(1) < 1324 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Euphemia of Czersk-Warsaw | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
(2) < 1324 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Euphemia of Czersk-Warsaw | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
(3) < 1324 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Euphemia of Czersk-Warsaw | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
(4) < 1324 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Euphemia of Czersk-Warsaw | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
(5) < 1324 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Euphemia of Czersk-Warsaw | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
(6) < 1324 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Euphemia of Czersk-Warsaw | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
(7) < 1324 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Euphemia of Czersk-Warsaw | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The data shown has no sources.
Historical events
Day of death September 29, 1358
- Graaf Willem V (Beiers Huis) was from 1349 till 1389 sovereign of the Netherlands (also known as Graafschap Holland)
Same birth/death day
- 1225 » Arnaud Amalric, Papal legate who allegedly promoted mass murder
- 1298 » Guido I da Montefeltro, Italian military strategist (b. 1223)
- 1304 » John de Warenne, 6th Earl of Surrey, English general (b. 1231)
- 1360 » Joanna I of Auvergne, queen consort of France (b. 1326)
- 1364 » Charles I, Duke of Brittany (b. 1319)
- 1382 » 'Izz al-Din ibn Rukn al-Din Mahmud, malik of Sistan
About the surname Of Cieszyn
- View the information that Genealogie Online has about the surname Of Cieszyn.
- Check the information Open Archives has about Of Cieszyn.
- Check the Wie (onder)zoekt wie? register to see who is (re)searching Of Cieszyn.
The Stephenson Family Tree publication was prepared by Brian K. Stephenson .
When copying data from this family tree, please include a reference to the origin:
Brian K. Stephenson , "Stephenson Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/stephenson-family-tree/I102960.php : accessed May 2, 2025), "Duke Casimir I of Cieszyn (1280-1358)".
Brian K. Stephenson , "Stephenson Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/stephenson-family-tree/I102960.php : accessed May 2, 2025), "Duke Casimir I of Cieszyn (1280-1358)".