Jaap,
Feike Visser and his 7 children did not immigrate in 1912 but in 1906. They left Rotterdam on the "S.S. Rijndam" on 26 May 1906 and arrived in New York on 5 June 1906. The family is on page 5, lines 11-18 on the ship manifest.
1910 census, Manchester, Passaic County, New Jersey:
-Frank "Fisher", age 55, widower, arrived in USA in 1906, worked in silk factory
-Agnes, age 23 (moet Aagje zijn)
-Samuel, age 21 (Sybren)
-Florence, age 19 (Froukje)
-Anna, age 17 (Antje)
-Andrew, age 16 (Anne)
-Richard, age 14 (Ruurd)
-Frank, age 12 (Feike)
1920 census, Prospect Park, Passaic County, New Jersey, address: 11 Brown Avenue
-Frank Visser, age 64, widower
-Anna Visser, age 27, not married
-Richard Visser, age 22, not married
-Frank Visser, age 21, not married
1930 census, Prospect Park, Passaic County, New Jersey, address: same as 1920
-Frank Visser, age 74, widower
-Anna Visser, age 37, not married
-Frank Visser, age 31, not married
-Anna Visser, born 3 November 1892, died in May 1975, in Haledon, Passaic County, New Jersey, never married
-Frank Visser Jr., born 8 May 1898, died January 1981 in Haledon, Passaic County, New Jersey
I have not been able to find any information yet on the other children of Feike. I will keep looking.
mvg,
John