Margaret was a daughter of the Duke Louis IX "the Rich" of Bavaria-Landshut (1417–1479) from his marriage to Amalia of Saxony (1436–1501), daughter of Elector Frederick II of Saxony She married in 1474, with an elaborate celebration in Amberg (the "Amberg Wedding") Philip, who later became Elector Palatine Philip the Upright (1448–1508).

He had earlier turned down marriage candidates such as Mary of Burgundy and Anna, heiress of the county of Katzenelnbogen.

Large quantities of food were consumed, in addition to 110,000 liters of wine[1] as well as 10,000 chickens.

[3] Thanks to his wife, Philip had a good relationship with her brother Duke George the Rich, whose children married each other in 1499.

The dynastic union was the starting point of political and military cooperation between Bayern-Landshut and the Palatinate.