Chi ha sposato Mattia I di Lorena?

Mattia I di Lorena (1119 circa – Villers-lès-Nancy, 13 maggio 1176) fu Duca di Lorena, dal 1139 alla sua morte.

Bertha of Lorraine (or Bertha of Swabia) (b.c. 1123/30 – d. 1194/5) was duchess of Lorraine (c.1138-1176) by marriage to Matthias I duke of Lorraine. She had a contested regency in the beginning of her son's rule, but was deposed from her position because her son was an adult.