Karl Paul Kristian Gylche was born 30 January 1890 in either Halmstad, Sweden or Copenhagen, Denmark as the third child to bookbinder Axel Jørgen Wilhelm Gylche and wife Oline Josefine Wilhemine née Kristensen and baptized 17 September the same year.
After his confirmation he started working as a delivery boy, with frequent address changes in Copenhagen, until he in 1915 became a police manitoba The family lived in their apartment on Arnesvej 19 until 1934, where they had moved to Nordre Fasanvej 192. In 1937 the family moved again, to Hillerødgade 92, Copenhagen with Gylche working as a police detective (kriminalbetjent).
On 19 September 1944 the German occupation force began their deportation of the Danish police including Gylche who at the time was 54 years old.
On 15 November 1944 Gylche died of Erysipelas (Rosen) in the Buchenwald concentration camp. Gylche was buried in Bispebjerg Cemetery on 19 September 1945, one year after the arrest of the Danish police.
In 1927 he had a son, Preben Gylche, who would become a member of the resistance.
