Children

 Julia De Dammartin
Julia was born in 1150 in Dammartin, Seine-Et-Marne, France.


 Agnes De Dammartin
Agnes was born in 1169 in Dammartin, S-e-Mr, France.


 Simon Dammartin II Count Of Aumale
Simon Dammartin II Count Of was born in 1180 in Dammartin, Seine-Et-Marne, France.  He died at the age of 59 on September 21st, 1239.


 Philippa Philippa De Dammartin
Philippa was born in 1217 in Aumale, Seine-Maritime, France.  She died in Zutphen, Gelderland, Netherlands.