Upon her marriage to Edward Seymour , 1st Duke of Somerset , she became the sister - in - law to Queen Jane Seymour and therefore the Aunt of King Edward VI .
She was the daughter of the 1st Earl of Bath 's sister , Elizabeth Bourchier .
Upon daughter 's marriage to Edward Seymour , 1st Duke of Somerset , daughter became the sister - in - law to Queen Jane Seymour and therefore the Aunt of King Edward VI .
She was the daughter of the 1st Earl of Bath 's sister , Elizabeth Bourchier .