Eleanor de Mowbray

Eleanor de Mowbray (before 1361 – before 13 August 1417) was the daughter of John de Mowbray, 4th Baron Mowbray, and Elizabeth de Segrave, 5th Baroness Segrave (born 25 October 1338), daughter and heiress of John de Segrave, 4th Baron Segrave. She had two brothers and two sisters:

Eleanor de Mowbray's father, the 4th Baron, was slain by the Turks at Thrace on 17 June 1368.

She died before 13 August 1417, when her husband, the 5th Baron, married a second wife named Margaret (d. 8 April 1426), whose surname is unknown.

Before 1386 she married John de Welles, 5th Baron Welles (d. 8 April 1426), son of John de Welles, 4th Baron Welles (d. 11 October 1361), and Maud de Roos (d. 9 December 1388), daughter of William de Roos, 2nd Baron Roos of Helmsley, by Margery de Badlesmere, by whom she had a son and daughter: