John Philip Gies b. Sept 17, 1818 in Nassau, Prussia

+Elizabeth Swank b. Sept 26, 1812 in Nassau,

Prussia

2 Dora Gies

2 Phillip Carl Gies b. Jan 20, 1848 in Nassau,

Prussia

2 Charles W. Gies b. Nov 7, 1857 in Nassau,

Prussia

The family immigrated to Ida, Monroe Co, MI
Searching for any Gies currently still living in Germany or Europe, as well as information on the Gies clan prior to moving to US and after they settled in Ida?
Looking for answer to why both John and wife died the same date: March 27, 1896?