1230 volgens
https://www.familysearch.org/library/books/viewer/195832/?offset=0#page=3&viewer=picture&o=&n=0&q=
(5a)
http://johnooms.nl/heren-en-vrouwen-van-adel/heren-amstel/
1251 volgens
https://www.familysearch.org/library/books/viewer/195832/?offset=0#page=3&viewer=picture&o=&n=0&q=
(1) He is married to Bertha van Oegstgeest.
They got married about 1230.Source 1
Child(ren):
(2) He is married to Aleidis van Cuijck.
They got married about 1240.Source 1
1220 volgens
https://www.graafschap-middeleeuwen.nl/genealogie/getperson.php?personID=I4598&tree=DGidME_01
Dan moet ze eerder geboren zijn, vermoedelijk <1200
Child(ren):
Gijsbrecht III van Amstel | |||||||||||||||||||||||||||||||||||
(1) ± 1230 | |||||||||||||||||||||||||||||||||||
Bertha van Oegstgeest | |||||||||||||||||||||||||||||||||||
(2) ± 1240 | |||||||||||||||||||||||||||||||||||
Aleidis van Cuijck |