He married Rosina Zuercher . Rosina Zuercher was born at Diesbach, Glarus, Switzerland Abt 1579 .
They were the parents of 10
children:
Anna Heiz
born 18 Jan 1601.
Barbara Heiz
born 19 Dec 1602.
Dorothea Heiz
born 11 Nov 1604.
Maria Heiz
born 8 Mar 1607.
Johannes Heiz
born 12 Nov 1609.
Rosina Heiz
born 16 Jan 1613.
Amalia Heiz
born 6 Dec 1614.
Elsbeth Heiz
born 6 Apr 1617.
Johannes Heiz
born 29 Apr 1620.
Maria Heiz
born 12 Feb 1623.