Background
Vennik, Roelof Klaas was born on March 14, 1954 in Rotterdam, Netherlands. Son of Jan and Atje Johanna (De Bruijn) Vennik.
Vennik, Roelof Klaas was born on March 14, 1954 in Rotterdam, Netherlands. Son of Jan and Atje Johanna (De Bruijn) Vennik.
Managing director Genealogical Bureau of Investigation Vennik, Rotterdam, since 1980.
Treasurer Dutch League for the Abolition of Vivisection. Dutch Genealogical Society (secretary). Active in several organizations for animal welfare.
Married Adriana Jannine Van Der Linden, March 3, 1977.