Guillaume Ier de Sesmaisons
- Born in 1325
- Deceased in 1380, at the approximate age of 54 years
Parents
- Jean II de Sesmaisons, chevalier, seigneur de Sesmaisons
- Agnore de Rouge (1305 - )
Family
- Married in 1377, with Philippette Le Vayer (1345 - ), issuing
