Here is more information on the sisters: Josephine and Catherine DeSoto.
Josephine DeSoto, born Dec 1858 in Chicago, Illinois, was married to Joseph Gestal, born May 1852 in Spain. Their children were: Matilda, William J., Isabella, and Joseph S.
Josephine can be found with her parents, Joseph and Catherine, in the 1860 New York, New York County, New York, 10th Ward, 4th Dist - Page 172.
Joseph Gestal, his wife Josephine, and his sister-in-law Kate DeSoto can be found in the 1880 Census: Kings (Brooklyn), New York City-Greater, New York.
Jose Gestal, his wife Josephine, and their children are in the 1900 census: Brooklyn Ward 25, Kings, New York.
Katherine (Kate or Cath) DeSoto, born Dec 1862 in New York and died 26 Feb 1954 in Tampa, Florida, was married to Francisco Joreman Fernandez, born Apr 1857 in New York. Their children were: Theresa, Nicholas, Eleanor, and Francisco Joreman Fernandez, Jr.
In the 1900 census they were at 209 Miller Ave, Brooklyn Borough, Kings County, NY.
The 1905 Tampa Florida City Directory lists them as Fernandez, Francisco (Catherine) cigar maker household 2602 16th Ave.
The 1910 Hillsborough County, Tampa City Census has them in Ward 5, ED# 52 at 2004 Taliaferro Street.