When Herman Laurents Thygesen was born on 4 June 1903, in New York, United States, his father, August Hermann Thygesen, was 36 and his mother, Julia A Didriksen, was 37. He married Fleta Margaret Thygesen on 21 January 1928, in Manhattan, New York City, New York, United States. They were the parents of at least 2 sons and 1 daughter. He lived in Kenilworth, Union, New Jersey, United States for about 10 years and Roselle, Union, New Jersey, United States for about 10 years. He died on 1 September 1994, in Berkeley Heights Township, Union, New Jersey, United States, at the age of 91.