After his fathers death signatures were needed on some documents, at the time he was living in London, England. ("American Jewish Archives"volume XLIV Spring/Summer, 1992, Number 1, Page 128).
Sus padres son los ultimos Senior que quedaron en Amsterdam.
En 1793 se entierra el ultimo Senior Henriques en Ouderkerk aan de Amstel, Ouder-Amstel, Noord-Holland, Paises Bajos.
Les données affichées n'ont aucune source.