The birth of Jan Jonkman

Jan Siebe Jonkman was born on January 2, 1933 in Riverside County, California.

His father's last name is Jonkman, and his mother's maiden name is Dejong. If Jan is still alive, he's now years old.

His potential siblings include Sintje (born 1935).

Name Jan Siebe Jonkman
Sex male
Birthdate 01/02/1933
Birthplace Riverside County, California
Mother's Maiden Name Dejong
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