*Allan (Algernon) de Percy
born about 1067 Alnwick, Northumberland, England
died before December 1135
buried Whitby, Yorkshire, England

father:
*William de Percy
born about 1034 Perci-En-Auge, Normandy, France
died 1096 Mt. Joy, near Jerusalem, Holy Land
buried Mt. Joy, near Jerusalem, Holy Land

mother:
*Emma of Port
born about 1038 Alnwick, Northumberland, England
died after 1096
buried Whitby Abbey, Yorkshire, England
married about 1066 Semar, Yorkshire, England

siblings:
Walter de Percy born about 1069 Whitby, Yorkshire, England
William de Percy born about 1071 Whitby, Yorkshire, England
Richard de Percy born about 1073 Whitby, Yorkshire, England
Geoffrey de Percy born about 1075 Whitby, Yorkshire, England

spouse:
*Emma de Gaunt (Gant)
born about 1071 Folkingham, Lincolnshire, England
buried before 1135
married about 1087 Folkingham, Lincolnshire, England

children:
*William de Percy born about 1088 Alnwick, Northumberland, England died 1174/75
Walter de Rugemond de Percy born about 1090 Whitby, Yorkshire, England died Whitby, Yorkshire, England
Geoffrey de Percy born about 1094 Whitby, Yorkshire, England
Henry de Percy born about 1096 Whitby, Yorkshire, England died after 1153
Robert de Percy born about 1098 Whitby, Yorkshire, England
daughter de Percy born about 1100 Whitby, Yorkshire, England
daughter de Percy born about 1102 Whitby, Yorkshire, England
Gaufrid de Percy born about 1104 Whitby, Yorkshire, England

biographical and/or anecdotal:

notes or source:
LDS