Mathilde was the daughter of unknown parents. The date and place of her birth have not been found.
She had two marriages/partners. Her first husband was Lothar von Hochstaden. They were married, but the date and place have not been found. They had no known children.
Her second husband was Hendrik van Loon. They were married, but the date and place have not been found. They had no known children.
Note 1
fille d'Aymar II, comte de Valentinois
fille de Frédéric II, comte de Vianden