Family: John Clivedon and Emma

Husband/father: John Clivedon
Wife/mother: Emma
Children:

• Katharine Clivedon

Individual: Margaret Mortimer

Parental family: Roger Mortimer and Joan de Geneville
Marital or other families:

• Thomas de Berkeley and Margaret Mortimer

Sex: Female

Birth:

• Date:
  • Note: Stated as 2 May 1304, but probably later
  • Note: (Proposed)

Death:

• Date: 5 May 1337

Source: Complete Peerage, The

• Page: Volume 2, page 130

Source: Complete Peerage, Some corrections and additions to the

• File: p_berkeley.shtml#p130a

Individual: Roger Mortimer

Parental family: Edmund de Mortimer and Margaret de Fiennes
Marital or other families:

• Roger Mortimer and Joan de Geneville

Title: Earl of March

Sex: Male

Source: Complete Peerage, The

• Page: Volume 2, page 130