Robert was born in 1827. He was the son of Lester Taylor and Mary Wilder. He passed away in 1830, killed by the fall of a tree at age 5.
Sources
Book of the Wilders: A Contribution to the History of the Wilders from 1497, in England, to the Emigration of Martha, a Widow, and Her Family to Massachusetts Bay in 1638, and So, Through Her Family Down to 1875 : with a Genealogical Table, Showing, as Far as May Be, Their Relationships and Connections, by Moses Hale Wilder, 1878, page 216, https://books.google.com/books?id=YxlMAQAAIAAJ&pg=PA216