Sources

1) Source: Special Collections: Ancient Petitions "Edward le Despenser, knight... Despenser requests that he be granted livery of his lands and issues of Killoteran which are in right of his wife... Elizabeth [le Despenser], wife of the petitioner, and daughter of Bartholomew de Burgherssh; Bartholomew de Burwasshe (Burghersshe)." Date: 1373. External Link
https://discovery.nationalarchives.gov.uk/details/r/C9334858. Reference: SC 8/226/11298 (Data from direct source)
2) Source: Chancery: Inquisitions Post Mortem, Series I, Edward III "Bartholomew de Burgherssh the elder...He died on 3 August last...Bartholomew de Burgherssh his son, aged 26 years, is his heir...He died on Sunday after St. Peter’s Chains last...He died on Wednesday before St. Peter’s Chains last...Bartholomew de Burgherssh, knight, his son, aged 30 years as they understand, is his heir...The manor held jointly with Elizabeth his wife"Dated: 1355. External Link
https://www.british-history.ac.uk/inquis-post-mortem/vol10/pp209-228. Reference: C 135/131/8 (Data from secondary evidence)
3) Source: Chancery: Inquisitions Post Mortem, Series I, Edward II "Richard de Weyland...He held no other lands... except jointly with Joan his wife, who still survives, which tenements are not held of the king.Cecily his daughter, aged half a year, is his next heir."Dated: 10 April 1320. External Link
https://www.british-history.ac.uk/inquis-post-mortem/vol6/pp129-139. Reference: C 134/64/16 (Data from secondary evidence)