Simplify the following text for a Grade 4 native English-speaking person.
Original: FranÃ oise Madeleine d'Orl Ã ans ( b.1648-d .1664 ) , daughter of his maternal uncle Gaston , Duke of OrlÃ ans and younger brother of his mother Christine Marie .
Simplified: FranÃ oise Madeleine d'Orl Ã ans ( 1648-d .1664 ) daughter of Gaston , Duke of OrlÃ ans on 4 March 1663 .