Notes:

John Bourchier, 2nd Baron Bourchier (d. 21 May 1400), KG, was a soldier and diplomat in the service of the crown.

Family
John was the eldest son of Robert Bourchier, 1st Baron Bourchier and his wife Margaret Prayers. He inherited the title when his father died in 1349, along with estates and property focused around Essex.

Life
John followed his father in pursuing a military career, serving with Edward, the Black Prince in Gascony in 1355 and was at the Battle of Auray in 1364. Other known engagements include being one of the Council to the King's Lieutenant in France in 1370 and being part of the 1379 fleet that was unsuccessful in its attempt to support the Breton Army. In 1384, he was sent as Governor in Chief to Flanders, remaining for 18 months in Ghent.

He was summoned to Parliament regularly between 1381 and 1399 before being excused due to age and infirmities. He was made Knight of the Garter in 1392. He died 21 May 1400.

Marriage and Issue
He married, before 1374, Maud Coggeshall, daughter of Sir John Coggeshall. They had one known son.

Bartholomew Bourchier, 3rd Baron Bourchier b. 1374, d. 18 May 1409

from https://en.wikipedia.org/wiki/John_Bourchier,_2nd_Baron_Bourchier

John married Maud Coggeshall before 1374. [Group Sheet] [Family Chart]

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.