Margaret de Mortimer, Baroness de Mortimer

https://www.findagrave.com/memorial/27841448/margaret-berkeley

Lady Margaret de Mortimer berkeley

Eldest daughter and eldest of twelve children of Roger de Mortimer and Joan de Geneville. Her paternal grandparents were Edmund Mortimer, 2nd Baron Mortimer and Margaret de Fiennes. Her maternal grandparents were Piers de Geneville, of Trim Castle and Ludlow, and Jeanne of Lusignan. Wife of Thomas de Berkeley, married May 1319, and mother of Maurice, Thomas, Roger, Alphonsus and Joan.
Her marriage to Thomas de Berkeley ("Thomas the Rich") was arranged specifically to connect their family with an important Marcher Lord family. After her father's fall from grace involving the removal of Edward II from the throne, Margaret was arrested and jailed in 1322, then sent to Sholdham Priory in 1324. Margaret's eldest son, Maurice Lord Berkeley, would marry Elizabeth le Despenser, whose father was brutally and publicly executed by none other than Margaret's father.

http://en.wikipedia.org/wiki/Margaret_Mortimer,_Baroness_Berkeley

Sir Thomas IV de BERKELEY Lord Berkeley was born 15 1298 in Berkeley, Gloucestershire, England. He died 27 Oct 1361 in Berkeley, Gloucestershire, England. Thomas married Margaret de MORTIMER on Jul 1320 in Berkeley, Gloucestershire, England.

Margaret de MORTIMER was born 2 May 1304 in Wigmore, Herefordshire, England. She died 5 May 1337 in Berkeley, Gloucestershire, England. Margaret married Sir Thomas IV de BERKELEY Lord Berkeley on Jul 1320 in Berkeley, Gloucestershire, England.

They had the following children:

M i Thomas de BERKELEY was born 1322 in Berkeley, Gloucestershire, England. He died 1349 in Berkeley, Gloucestershire, England.

M ii Roger de BERKELEY was born 1324 in Berkeley, Gloucestershire, England. He died 1349 in Berkeley, Gloucestershire, England.

F iii Joan de BERKELEY was born 1327 and died 2 Oct 1369.

M iv Sir Maurice de BERKELEY Lord Berkeley was born 1330 and died 8 Jun 1368.

M v Alphonse de BERKELEY was born 1333 in Berkeley, Gloucestershire, England. He died 1350 in Berkeley, Gloucestershire, England.