Original sentence: Marie's first patronage came shortly after Prince Henrik's birth, when her patronage of Tønder Festival, an international folk music festival near Shackenborg, where the Princess resides with her family
Edited sentence: Marie's first patronage came shortly after her son Prince Henrik of Denmark's birth, when her patronage of Tønder Festival was announced.Tønder Festival is an international folk music festival near Shackenborg, where the Princess resides with her family