Alberic I de Danmartin
Alberic I was born before 1102.

 Clemence De Danmartin
Clemence was born before 1130.  She died after 1181.

 Alberic II Danmartin
Alberic II was born about 1148 in Danmartin, Seine et Marne, France.  He died in 1200 in London, England.