William "aux Gernons aka with Whiskers" Percy 1st Baron Percy Topcliffe was born to Unknown Percy.
In December 1067 William "aux Gernons aka with Whiskers" Percy 1st Baron Percy Topcliffe was created 1st Baron Percy of Topcliffe.
Before 1090 William "aux Gernons aka with Whiskers" Percy 1st Baron Percy Topcliffe and Emma Porte Baroness Percy Topcliffe were married. She by marriage Baroness Percy of Topcliffe.
Before 1096 William "aux Gernons aka with Whiskers" Percy 1st Baron Percy Topcliffe commissioned the construction of Topcliffe Castle, North Yorkshire [Map] and Spofforth Castle, North Yorkshire [Map].
Before 1096 William "aux Gernons aka with Whiskers" Percy 1st Baron Percy Topcliffe refounded at Whitby Abbey [Map].
In 1096 William "aux Gernons aka with Whiskers" Percy 1st Baron Percy Topcliffe died. In 1096 His son [his son] Alan succeeded 2nd Baron Percy of Topcliffe.
[his son] Alan Percy 2nd Baron Percy Topcliffe was born to William "aux Gernons aka with Whiskers" Percy 1st Baron Percy Topcliffe and Emma Porte Baroness Percy Topcliffe.
[his son] William Percy was born to William "aux Gernons aka with Whiskers" Percy 1st Baron Percy Topcliffe and Emma Porte Baroness Percy Topcliffe.