She married twice, and both husbands acquired the title of Baron Bourchier in iure uxoris.
[1] Elizabeth Bourchier's mother was the former Idonea Lovey, Bartholomew's second wife.
She married her second husband, Sir Lewis Robessart (died 1430), before 1425 when he was summoned to Parliament as Baron Bourchier.
Elizabeth Bourchier was buried at Westminster Abbey with her second husband, Sir Lewis Robessart.
[4] Since she died childless, the barony was inherited by her second cousin Henry Bourchier, 1st Earl of Essex (1404–1483).