Our Joseph de Haas was born in 1853 in Almelo
married once to Julia Pam 1878 Spitilefields
died 1897 Mile End, buried Plashet cemetery.
His mother was Martha Jacob de Vries
We have no record of him having a brother Morris.
If you go to JewishGen site - data base FTJP-DEHAAS I have put a family tree of our Joseph de Haas