- Born: , , England
- Marriage: Sir Robert I D'UFFORD, Justiciar Of Ireland & Chester  before 12 May 1273 in , , England
- Died: After 10 Aug 1280, , , England
Source <A Genealogical History of the Dormant: Abeyant, Forfeited, and Extinct ...> Par Sir Bernard Burke:
"BARONS UFFORD, EARLS OF SUFFOLK.
Barony, by Writ of Summons, dated 13 January, 1308. earldom, by Creation in Parliament, dated 16 March, 1337.
Robert De Ufford. This Robert was justice of Ireland in the reign of Henry III., and again in the reign of Edward 1. He m. Mary, widow of William de Say, and dying in the 26th of the latter king, was s. by his son,
Sir Robert De Ufford, Knt., who was summoned to parliament as a Baron from 13 January, 1308, to 10 December, 1311. ..."
"Mary d. after 10 August 1280
Mary married Sir William de Say, Constable of Rochester Castle, son of Sir Geoffrey de Say, Magna Charta Baron and Hawise de Clare, after 1253. Mary married Sir Robert de Ufford, Justiciar of Ireland, Justice of Chester, son of John de Peyton and Clemence, between 12 February 1272 and 12 May 1273; They had 1 son (Sir Robert, 1st Lord Ufford). Mary died after 10 August 1280.
Family 1 Sir William de Say, Constable of Rochester Castle b. b 1209, d. b 12 Feb 1272
Family 2 Sir Robert de Ufford, Justiciar of Ireland, Justice of Chester d. c 9 Sep 1298
Child Sir Robert Ufford, 1st Lord Ufford+ b. 11 Jun 1279, d. c 9 Sep 1316"
"ROBERT de Ufford, son of --- (-before 9 Sep 1298). He had interests in Ufford, Suffolk.
m firstly (before 12 May 1273) as her second husband, MARY, widow of WILLIAM de Say, daughter of --- (-after 10 Aug 1280).
m secondly (before [1286/87]) JOAN, daughter of --- (-after 18 Nov 1307).
Robert de Ufford & his first wife had --- children:
1. ROBERT de Ufford (11 Jun 1279-9 Sep 1316 or before)."
Mary married Sir Robert I D'UFFORD, Justiciar Of Ireland & Chester  [MRIN: 1378], son of John DE PEYTON  and Unknown, before 12 May 1273 in , , England. (Sir Robert I D'UFFORD, Justiciar Of Ireland & Chester  was born in , , England and died before 9 Sep 1298 in , , England.)