Attention: Was younger than 16 years (15) when child (Katharina van Blankenheim) was born (??-??-1270) .
(1) She is married to Gerhard van Blankenheim.
They got married on February 28, 1272, she was 17 years old.
Child(ren):
(2) She is married to Everhard I van der Mark.
They got married on January 29, 1273, she was 18 years old.
Child(ren):
Irmengarde van Limburg | |||||||||||||||||||||||||||||||||||||
(1) 1272 | |||||||||||||||||||||||||||||||||||||
Gerhard van Blankenheim | |||||||||||||||||||||||||||||||||||||
(2) 1273 | |||||||||||||||||||||||||||||||||||||
Everhard I van der Mark |