Notes:

Bartholomew Bourchier, 3rd Baron Bourchier (died 18 May 1409), was a member of Parliament.

Family
Bartholomew was the only known child of John Bourchier, 2nd Baron Bourchier, and his wife Maud Coggeshall. He inherited the title in 1400.

Life
He was summoned to Parliament the first time 9 September 1400, the year of his father's death. He continued to be summoned until 1409, but obtained an exemption from attended in 1405. There are no records of military service, unlike his father and grandfather. He died on 18 May 1409 and was buried on family estates, in Halstead, Essex.

Marriage and Issue
He married twice. First to Margaret, the widow of Sir John Sutton but had no issue. Following her death, he married Idoine (d. 12 September 1410), widow of John Glevant. They had one known child:

Elizabeth Bourchier, 4th Baroness Bourchier (c. 1399 – 1433), whose heir was her second cousin Henry Bourchier, 1st Earl of Essex (1404-1483), KG, created Viscount Bourchier in 1446 and Earl of Essex in 1461.

from https://en.wikipedia.org/wiki/Bartholomew_Bourchier,_3rd_Baron_Bourchier

Family/Spouse: Margaret. [Group Sheet] [Family Chart]

Family/Spouse: Idoine Lovet. Idoine died on 12 Sep 1410. [Group Sheet] [Family Chart]

Notes:

Her heir was her second cousin Henry Bourchier, 1st Earl of Essex (1404-1483), KG, created Viscount Bourchier in 1446 and Earl of Essex in 1461.

She may have been married, 1st to Sir Hugh Stafford, and 2ndly to Sir Lewis Robsart - ; no issue from either and outlived them.