I have a copy of a type-written biography of Nicholas Bartlett b. 20 Sept 1882 in Waltham Mass.
It was written by Joseph Bartlett (Lydia's Uncle Joe).
It lists among the children of Joseph Barker Bartlett and Lydia Boden Meek: Nicholas Barlett, born 1822; Benjamin Bartlett, deceased 1849; Mary, deceased 1851 (Mrs. Henry Roeder); Lydia, deceased 1879 (Mrs. R.s. Weaver); Joseph, resident of Toledo Ohio 1898 Thomas M., deceased 1875, a pioneer in transporting crude oil in tank cars and by pipe line; was president of the Lake Shore Crude Oil Transportation Co. when he died in 1875.
Children of Nicholas Bartlett and Lucretia A. Bartlett: Charlotte Loomis Lydia Meek, wife of W.R. Gerrard Nicholas Jr., husband of Minnie Toohy
Children of Lydia Meek Bartlett and William Roger Gerrard: Herbert Bartlett, married Emma Terry Harold Fowler Roger William, died 1915 age 22 Dudley Thomas Lydia "Renee"
Children of Nicholas Bartlett Jr. and Minnie Toohy: Lucretia Mary Nicholas