Olivier II De Clisson 
Olivier II De was born about 1236. Olivier II De's father is Olivier I De+ Clisson and his mother was Plaisou De La+ Roche-Derrien. His maternal grandfather was Conan I De+ Penthievre. He had a sister named Jeanne De+. He was the younger of the two children. He died about 1307.General Notes
SOURCES: "Ancestors/Descendants of Royal Lines" (Contributors: Manuel Abranches de Soveral, Reynaud de Paysac, H.R. Moser <Burke Peerage>, L. Orlandini, O.Guionneau, L.B. de Rouge, E. Polti, A.Terlinden <Genealogy of the existing British Peerage, 1842>, L. Gustavsson, C. Cheneaux, and E. Lodge) http://geneastar.org.
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Ancestor Pedigree Chart
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*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)
- b.~ 1200
- b.~ 1236 d.~ 1307
- b.< 1009 in Penthievre, Bretagne, France d.07 Jan 1079
- b.~ 1062 in Penthievre, Bretagne, France d.BET 21 APR 1135 AND 1137 in Quire, St. Mary, Yorkshire, England
- b.~ 1030 in Cornouaille, Ile-et-Vilaine, Bretagne, France
- b.~ 1106 d.1190
- b.~ 1067 in Guincamp, Bretagne, France
- b.1160 d.> 1201
- b.1086 in Vendome, Loire-et-Cher, Orleanais/Centre, France d.1145 in St. Giles, Indre-et-Loire, Touraine/Centre, France
- b.1110 in Vendome, Loire-et-Cher, Orleanais/Centre, France d.1182 in La Charite-sur-Loire, Nievre, Bourgogne, France
- b.~ 1088 in Chateaudun, Eure-de-Loire, Beauce/Centre, France
- b.~ 1131
- b.~ 1085
- b.1115
- b.~ 1085
- b.< 1202 d.> 1269
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They had a son named Olivier III De.