Saint Sadalberga (died 665) was the daughter of Gundoin, Duke of Alsace. Cured of blindness while still a child by Saint Eustace of Luxeuil, she was twice married, first to a man who died after two months and then to a nobleman, Saint Blandinus, by whom she had five children, Saretrude, Ebana, Anstrude, Eustasius (died in infancy), and Baldwin. Two of these became saints, Saint Baldwin (Baudoin) (feast day October 16) and Saint Anstrude

Anstrudis

Saint Anstrudis .Anstrudis was the daughter of Saint Blandinus and Saint Salaberga, who were the founders of the Saint John the Baptist Convent at Laon. She was also the sister of Saint Baldwin....

. Her brother was Saint Bodo (d. 670). After some years, she and Blandinus agreed mutually to separate and assume contemplative lives. He became a hermit and she went into a nunnery at Poulangey; Salaberga was subsequently foundress of the convent of St. John the Baptist at Laon

Laon

Laon is the capital city of the Aisne department in Picardy in northern France.-History:The hilly district of Laon, which rises a hundred metres above the otherwise flat Picardy plain, has always held strategic importance...

. She died there c. 665.