I'm am trying to find relatives from this line and supply the following information:

My Aunt, Maria Johanna Meta Karla KUNZE from Krakow, Germany, born 28 January 1894, married 16 September 1921 in Krakow, Erich Gustav Carl August Freidrich FREIHEIT, Kaufmann (trader) in Robel, Germany born 4 September 1891, son of Johann Gustav FREIHEIT, roofer master in Robel, Germany.

My grandfather, Albert Franz KUNZE born 17 March 1864 in Soldin (now Mysliborz, Poland) married my grandmother Henriette Dorothea Lisette SCHREIBER on 22 September 1891 at Gustrow, Germany and died on 3 May 1938 in Krakow.

Children:
1 Karl Martin Hermann Joseph Max Willy KUNZE, confirmed 24 March 1907 in Krakow.

2 Maria Johanna Meta Karla KUNZE, confirmed in 1908 in Krakow.

3 Gertrud Mariechen Auguste KUNZE, born 18 November 1904, baptised 23 December, died 30 March 1906 in Krakow.

Albert's father was Karl KUNZE from Soldin, bricklayer journeyman, his wife Friederike nee HOLL.

Henriette's mother was Sophie Christiane Marie BOBZIN.
born 5 Apr 1834 in Goldberg, Germany, died 18 Feb 1909 in Krakow, Germany. Her father was Johann Friedrich Theodor SCHREIBER, born 8 Mar 1831 in Mamerow, Germany.

Any leads appreciated.