I might have some leads on your Charles Edwin Hudson... he'd be a distant relative of me as well...
I believe his parents were Jonathan Dickinson Hudson (1843-1925) and Sarah Whitney (1847-1926), if my records are correct.Jonathan and Sarah are buried at Richibucto Protestant Cemetary in Richibucto, Kent County, New Brunswick, Canada.
If it's the same "Edwin" Hudson that I have, your Charles Edwin likely had the following siblings: Winifred Hudson (b. 1866/1/1 d. ) Mary Ann Hudson (b. 1869/1/1 d. 1959/6/16) Robert W Hudson (b. 1872/1/1 d. 1951/2/2) Sarah Alice Hudson (b. 1873/8/5 d. 1949/6/26) Andrew Hudson (b. 1875/6/14 d. 1957) Jonathan Hudson (b. 1877/10/13 d. ) William Hudson (b. 1886/5/24 d. )
Charles Edwin's father grandfather was Andrew (Anthony?) Hudson (~1776-1873) and Mary Graham (~1803-1886) who are my oldest researched ancestors in North America.
Does that look correct?Email me if you need more info.I'd be interested in filling in my sections of family tree that are missing Edwin's descendants!