Descendants of Gerrit IJFS and Neeltje Jans NIEROP
 Eighth Generation 
36. Cornelis Jan "Case" VANDERPLAS (Jan Cornelis "John" van der PLAS34, Jansje Jeanette DEKKER28, Jan "Opa" DEKKER18, Garment DEKKER13, Geertje IJFS9, Jacob Gerritsz5, Gerrit1)
Case married Katherine Louise WATSON, daughter of John Marshall "Jack" WATSON and Florence Mae METCALFE.
Children from this marriage were:
41 i. Kristine Mae VANDERPLAS
Kristine married Kelly David KENNEDY, son of Richard Earl "Dick" KENNEDY and Judith Ann ZIMMER.
42 ii. Robert John Cornelis VANDERPLAS
39. Cornelis Ferdinand "Bob" VOLKERS (Marie Nelli Johanna "Miep" van der PLAS35, Jansje Jeanette DEKKER28, Jan "Opa" DEKKER18, Garment DEKKER13, Geertje IJFS9, Jacob Gerritsz5, Gerrit1)
Bob married Lammechien Jantina Catharina "Inez" VORENKAMP.
The child from this marriage was:
+ 43 i. Nicole Aimee VOLKERS
40. Jeanette van DIEPEN (Marie Nelli Johanna "Miep" van der PLAS35, Jansje Jeanette DEKKER28, Jan "Opa" DEKKER18, Garment DEKKER13, Geertje IJFS9, Jacob Gerritsz5, Gerrit1)
Jeanette had a child.
Her child was:
44 i. Martijn van DIEPEN
Jeanette next married Frank P. WALRAVEN, son of Pieter WALRAVEN. Frank was born in 1968 in , , , Netherlands and died on September 22, 2021 at age 53.
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