Lady Margaret Seymour was an influential writer during the sixteenth century in England, along with her sisters, Anne Seymour, Countess of Warwick and Lady Jane Seymour

Lady Jane Seymour

Lady Jane Seymour was an influential writer during the sixteenth century in England, along with her sisters, Lady Margaret Seymour and Anne Seymour, Countess of Warwick. She was the daughter of Edward Seymour, 1st Duke of Somerset, who from 1547 was the Lord Protector of England after the death of...

. She was the daughter of Edward Seymour, 1st Duke of Somerset

Edward Seymour, 1st Duke of Somerset

Edward Seymour, 1st Duke of Somerset, 1st Earl of Hertford, 1st Viscount Beauchamp of Hache, KG, Earl Marshal was Lord Protector of England in the period between the death of Henry VIII in 1547 and his own indictment in 1549....

, who from 1547 was the Lord Protector of England after the death of Henry VIII

Henry VIII of England

Henry VIII was King of England from 21 April 1509 until his death. He was Lord, and later King, of Ireland, as well as continuing the nominal claim by the English monarchs to the Kingdom of France...

 and during the minority of Margaret's first cousin, Edward VI. She was thus the niece of Henry VIII's third wife, Queen Jane Seymour.