 Under the young King Edward VI John Dudley became one of the most powerful politicians , rising to be Earl of Warwick and later Duke of Northumberland . After the fall of Lord Protector Somerset in 1549 , John Dudley joined forces with his wife to promote his rehabilitation and a reconciliation between their families , which was symbolized by a marriage between their children . In the spring of 1553 Jane Dudley , Duchess of Northumberland became the mother @-@ in @-@ law of Lady Jane Grey , whom the Duke of Northumberland unsuccessfully tried to establish on the English throne after the death of Edward VI . Mary I being victorious , the Duchess sought frantically to save her husband 's life . Notwithstanding his and her son Guildford 's executions , she was successful in achieving the release of the rest of her family by befriending the Spanish noblemen who came to England with Philip of Spain . She died soon afterwards , aged 46 . 
 Under the young King Edward VI John Dudley became one of the most powerful politicians , rising to be Earl of Warwick and later Duke of Northumberland . After the fall of Lord Protector Somerset in 1549 , John Dudley joined forces with his wife to promote his rehabilitation and a reconciliation between their families , which was symbolized by a marriage between their children . In the spring of 1553 Jane Dudley , Duchess of Northumberland became the mother @-@ in @-@ law of Lady Jane Grey , whom the Duke of Northumberland unsuccessfully tried to establish on the English throne after the death of Edward VI . Mary I being victorious , the Duchess sought frantically to save her husband <a href='null_genetive' title='1'><mark>'s</mark></a>life . Notwithstanding his and her son Guildford <a href='null_genetive' title='2'><mark>'s</mark></a>executions , she was successful in achieving the release of the rest of her family by befriending the Spanish noblemen <a href='null_relcl' title='3'><mark>who</mark></a>came to England with Philip of Spain . She died soon afterwards , aged 46 . 
Under the young King Edward VI John Dudley became one of da most powerful politicians , rising to be Earl of Warwick and later Duke of Northumberland . After the fall of Lord Protector Somerset in 1549 , John Dudley joined forces with his wife to promote his rehabilitation and a reconciliation between their families , which was symbolized by a marriage between their children . In the spring of 1553 Jane Dudley , Duchess of Northumberland became tdamother @-@ in @-@ law of Lady Jane Grey , whom thdauke of Northumberland unsuccessfully tried to establish on thedaglish throne after the dath of Edward VI . Mary I being victorious , the Ddaess sought frantically to save her husband  life . Notwithstanding his and her son Guildford  executions , she was successful in achieving the release of the redaof her family by befriending the Spanish noblemen came to England with Philip of Spain . She died soon afterwards , aged 46 .