 She received her first name, originally a Lotharingian-Burgundian female name, in honor of her maternal grandmother, the late Richeza of Poland.In c. 1210 the new king Eric X of Sweden, who had deposed his predecessor Sverker II, desired to build cordial and peaceful relations with Denmark, which had traditionally supported the House of Sverker, against the Norwegian-supported dynasty of Eric.That was why Richeza, sister of the then reigning Valdemar II of Denmark, was married to Eric.