Henri Ier de Penmarc'h
- Born circa 1360
- Deceased circa 1424, at the approximate age of 62 years
Parents
- Yvon de Coëtlestremeur, écuyer, seigneur de Coëtlestremeur
- Constance de Penmarc'h, alias Constantia de Penmerch, dame de Penmarc'h
Family
- Married with Plézou Toupin, issuing
- Alain III ( - c. 1422)
Marie Jeanne- Jeanne
Occupations
- homme d'armes