There is a Westbrook family in upstate - Chemung, New York - with childfren Helen and Bernard. Familysearch.org has many census and other records on this family, but you didn't ask a question here so not sure what you are looking for. Parents are Hartley Westbrook b. Dec 1871 and Eva (possibly Rorick) Westbrook b. Feb. 1875. Use the free search tool at https://familysearch.org/ - to plug in names/dates/locations to find more.
Examples below:
New York, State Census, 1905 Chemung Van Etten Van Etten Village, E.D. 01
https://familysearch.org/pal:/MM9.3.1/TH-267-11081-197871-65?cc=1463113&wc=14536616
Head : Westbrook, Hartley P. M 33
Wife Westbrook, Eva F 30
Dau , Westbrook, Ruth P F 11
Dau Westbrook, Leona F 9
Son Westbrook, Bernard M 7
Dau Westbrook, Helen F 3
Son Westbrook, Chancy M 1
US Census, 1900 ED 42 Van Etten Township Van Etten village, Chemung, NY
Citing this Record "United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MS6L-QJ3
