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Guillaume II de Poissy was born circa 1218 to Guillaume I de Poissy (c1200-c1247) and Luce du Plessis-Nicole (-1218) and died circa 1270 of unspecified causes. He married Isabelle .


Children


Offspring of Guillaume II de Poissy and Isabelle
Name Birth Death Joined with
Robert IV de Poissy (-1258)
Mahaut de Poissy (c1240-c1287) 1240 1287 Pierre de Maizelan




Residences

Footnotes (including sources)

‡ General
Ω Birth
  • year of birth from mother