Simplify the following text for a Grade 9 native English-speaking person.
Original: Henrietta Maria of France ( French : Henriette Marie de France ) ; ( 25 November 1609 â `` 10 September 1669 ) was the Queen consort of England , Scotland and Ireland as the wife of King Charles I. She was mother of two kings , Charles II and James II , and grandmother of two queens and one king , Mary II , William III and Anne of Great Britain , as well as paternal aunt of Louis XIV of France .
Simplified: Henrietta Maria of France ( November 25 , 1609 - September 10 , 1669 ) was the youngest daughter of Henry IV of France and Marie de ' Medici .