Spouse: Lotta Waernulf-Grill (b. Waernulf) (Married 1975)
Children: Helena Grill, Elisabet ("Lisa") Margareta Grill, Kristina Johanna Grill
Valdemar Erik Robert's Heritage
Parents: Erik Robert Grill, Margrethe Eugenie Reimann
Siblings: Henrik Jørgen Eugen Grill, Sven Erik Anders Grill