The surname is mostly recorded as ALPEROVITCH.
ALPEROVITCH, JOSEPH
Mother's maiden surname: MILCHENSON
GRO Reference: 1906 D Quarter in WHITECHAPEL Volume 01C Page 269
His father was most likely Davis ALPEROVITCH.
Marriages Dec 1899
ALPEROVITCH, Davis
MILTSENSOHN, Rachel
Mile End 1c 981
Naturalisation record on Ancestry states that his father is a Tailor
known as A. DAVIS, born c1877 in Russia, the son of Joseph and Annie.
Joseph with his family in 1911.
https://www.familysearch.org/search/ark:/61903/1:1:XWPW-8M1Cross checking with the 1921 census, the 'A' is for Alfred.
Debra
