He is married to Henriette Sara-Ester Joseph Boas.
They got married on October 21, 1834 at Amsterdam.
From Fresco-Brilleman file on synagogual marriages (synagogual marriage on 5 Nov 1834 = 3 Cheshvan 5595):
Meyer Julius, 30 yrs.old, born & living in Cleve, son of Julius Meyer z.l. & Regina Cosman in Cleve, and
Henriette/Sara-Ester Boas, 26 yrs.old, daughter of Joseph Salomon Boas, 64 yrs.old & Selly Benjamins.
The data shown has no sources.