Alberic II Of Dammartin Count
Alberic II was born about 1135 in Dammartin, , , France.  He died on September 19th, 1200 in London, , , England.  He was buried in 1200.

 Mathilda Of Ponthiu
Mathilda was born about 1138 in Dampmartin, , , France.

 Julia De Dammartin
Julia was born about 1165 in Dammartin, , , France.

 Agnes De Dammartin
Agnes was born about 1166 in , , Buckinghamshire, England.

 Simon II De Dammartin Count
Simon II was born about 1180 in , , Normandy, France.  He died on September 21st, 1239 in Abbeville.  He was buried in 1239.