Adelheid von Löwen (-1158)
"Adelaide of Leuven (died c. 1158) was the wife of Simon I, Duke of Lorraine (1076–1138), in what is now France. She was the daughter of Henry III of Leuven and his wife Gertrude of Flanders. After the death of her husband, Adelaide retired to Tart Abbey." - (Wikipedia (en) 11.01.2020)