Jane Bigod 
Jane was born about 1105 in Belvoir Castle, Belvoir, Leicestershire, England.1 Jane's father was Roger Bigod and her mother was Adeliza De Grentmesnelle. She had a brother named Hugh. She was the older of the two children. She had a half-brother and five half-sisters, named Hugh, Maud (Mary), Maud, Cecily De, Gunnora and Jane. She died in England.1 
1 Isabel De Birkin.FTW
Further sources/citations:
The Magna Charta Sureties 1215, Frederick Lewis Weis, additions by Walter Lee Sheppard Jr, 5th Edition, 1999 @ 156-1, The Magna Charta Sureties 1215, Frederick Lewis Weis, additions by Walter Lee Sheppard Jr, 5th Edition, 1999 @ 156
Further sources/citations:
The Magna Charta Sureties 1215, Frederick Lewis Weis, additions by Walter Lee Sheppard Jr, 5th Edition, 1999 @ 156-1, The Magna Charta Sureties 1215, Frederick Lewis Weis, additions by Walter Lee Sheppard Jr, 5th Edition, 1999 @ 156
Page last modified