Another name for Estella was Stella Kurtz.
She died giving birth to their first child, who also died.
Estella married Frank Oliver Gold, son of Aaron Gold and Ellen S. Cahoon, before 1881. (Frank Oliver Gold was born on 20 Aug 1855 in Easton, Northampton, Pennsylvania, United States, christened on 11 Nov 1855 in Easton, Northampton, Pennsylvania, United States, died on 3 Mar 1914 in Minneapolis, Hennepin, Minnesota, United States 1 and was buried in Lakewood Cemetery, Minneapolis, Hennepin, Minnesota, United States.)
FamilySearch Historical Files (www.familysearch.org), "Minnesota Death Records, 1866-1916," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XPDB-HYW : accessed 7 January 2016), Frank Oliver Gold, 03 Mar 1914; citing Minneapolis, Hennepin, Minnesota, cn 772, Public Health Center, St. Paul; FHL.