Fe23 Joan (Margaret) de Ferrers

    Joan (Margaret) de Ferrers was the daughter of William 3rd Lord de Ferrers (Fe24) and Margaret de Quincy (Qu24)
    Born: about 1251
    Married: Thomas 1st Lord de Berkeley (Be23)
    Died: 1310
    and had issue:
    (Be22-1) Isabel de Berkeley d.unmarried
    (Be22) Maurice 2nd Lord de Berkeley b.Apr. 1271 d.31 May 1326
    (Be22-3) Thomas born before 1301
    (Be22-4) John de Berkeley
    ? Alice de Berkeley, m Ralph (Richard) de Stourton and had William and Joan Sturdon who married Ralph Basset.
    (Be22-6)  James de Berkeley
    (Be22-7) Margaret  de Berkeley, m 1st Thomas FitzMaurice, 2nd Reynald Russel, ???3rd Sir Anselm Bassett and had Isabel Bassett.
     
    Source:

    http://freepages.genealogy.rootsweb.com/~jamesdow/s092/f502189.htm
    http://thepeerage.com/p4177.htm#i41766