Events
Date of Birth: unknown.
Place of Birth: unknown.
Date of Death: March 1265/6.
Place of Death: Hamstead Marshall, Berkshire.
The date and place are given by Ward (ODNB) and by the Complete Peerage (7:680).
Place of Burial: the church of the knights hospitaller at Clerkenwell.
The place is given by Ward (ODNB) and by the Complete Peerage (7:680).
Relationships
Father: Robert de Quincy (died 1217).
This relationship is given by Ward (ODNB) and by the Complete Peerage (10:375).
Mother: Hawise, daughter of Hugh, earl of Chester.
This relationship is given by Ward (ODNB) and by the Complete Peerage (10:375).
Spouse: John de Lacy (about 1192 - 1240), constable of Chester.
This relationship is given by Ward (ODNB) and by the Complete Peerage (7:679).
Spouse: Walter Marshal (die 1245), earl of Pembroke. Married 6 January 1241/2.
This relationship is given by Ward (ODNB) and by the Complete Peerage (10:375).
Spouse: Richard of Wiltshire.
This relationship is given by Ward (ODNB) and by the Complete Peerage (10:376).
Children (by John):
Maud married Richard de Clare, earl of Gloucester and of Hereford.
Edmund (1230 - 2 June 1258) married Alasia, daughter of Manfredo (III), marquis of Saluzzo.
2 other daughters.
References
Cawley, Charles. “Margaret” in Medieval Lands: A prosopography of medieval European noble and royal families.
Cokayne, George Edward, and Vicary Gibbs; et al. The complete peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, extant, extinct, or dormant [2nd ed.]. (London: St. Catherine Press, 1910-59).
Vincent, Nicholas. “Lacy, John de, third earl of Lincoln (c. 1192 - 1240)” in the Oxford Dictionary of National Biography (Oxford University Press, 2004; online edn, September 2010).
Ward, Jennifer C. “Lacy, Margaret de, countess of Lincoln (d. 1266)” in the Oxford Dictionary of National Biography (Oxford University Press, 2004; online edn, January 2008).