A biography of the Frances family can be found at the website Turkse joden in Westerbork
Rabbi Liaho Frances is listed in H.P. van den Aardweg en H. Brugmans, Persoonlijkheden in het Koninkrijk der Nederlanden in woord en beeld (Amsterdam 1938).
In addition, a Jokos file (number 31766) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joo…
Person is in the National Database of Victims of Persecution