Son of Gerrit Albert Ilbrink and Maria Johanna Wilhelmina Oosterwijk Husband of Private Brother of Private; Wilhelmina Maria Willibrorda Henriette (Wilma) Ilbrink; Johanna Wilhelmina Maria Bernardina 'Ans' Ilbrink; Gerardus Albertus Josephus Ilbrink and Robertus Gregorius Franciscus Ilbrink