The name Gade is registred for the first time by Simon Hansen Gade (ca. 1820- ??), married about 1840 to Anna Maria Pedersen (1821-??).

They got the two sons, Hans Simonsen Gade (1850-1919) and Søren Sørensen Simonsen Gade (1859-1904).

Hans Simonsen Gade married Nielsine Caroline Hansen (1855-1935).
They got the son Jacob Thune Hansen Gade (1879-1963). He became known as a musician and world famous composer, among other things to the "Tango Jalousy". This is told to be the melody that has been played most often around the world.

Søren Sørensen Simonsen Gade married Augusta Margrethe Pedersen (1860-1913).
They got 4 children:
- Martin Simonsen (1889-1918)
- Kaja Bergthora Julie (1890-1975)
- Kirsten Augusta (1893-??)
- Ingri Valborg Hansine (1899-??)

Kaja Bergthora Julie Gade (my grand mother) married 1911 Georg Diedrich Willumsen. (my grand father) (1888-19??)