Heinrich and Emma (Stock) Heiden had seven children, all of whom lived to adulthood. Six of them went on to produce 21 grandchildren.

The oldest grandchild, Gerald Koster was born in 1925 while the youngest was Sandra Rod who was born in the late 1940s.
Marilyn (Klatt) Allred Nelda (Heiden) Billau
(1934-2010)		 Shirley (Heiden) Bruechart Lester "Sonny" Frank
(1935-2018)		 Beverly (Strzesinski) Hammond
(1946-2023)		 Margaret Heiden
(1937-1937)
Linda (Klatt) Huzarski
(1945-2007)		 JoAnn (Heiden) Kimlin
(1937-2015)		 Donald Klatt
(1925-1978)		 Ervin Klatt
(1926-2014)		 Harold Klatt
(1930-1990)		 Herbert Klatt
(1929-1936)
James Klatt
(1942-1943)		 Kenneth Klatt, Sr
(1932-2011).		 Richard Klatt Robert Klatt
(1941-2020)		 Wanda Klatt
(1940-1945)		 Sandra (Strzesinski) Rod
  Barbara (Frank) Steinman
(1939-2022)		 Theodore Strzesinski, Jr Norma (Klatt) Wood
(1938-2016)