hi carol do you have these sir names in your family line? if you are researching the northrop family from rhode island northkingstown is the place to start there is a load of northrop there. i have found alot of your family that comes from there spell the last name as such northup without the last r.i spoke with the town historian there and he explained to me that the first northrop family in america changed the spelling when the newer immigrants were coming into america to keep there family line seperate. are you connected to david northrop or joseph wanton northrop or the harrington line?? i know that henry northup died in rhode island and he set his slave free at his death. there was a soloman northrop who's father was mintus. soloman had a brother named joseph also soloman was married to an ann hampton. that is all i know on the black family, wish i could help you more but there is a book 12 years a slave you can google it. it tells all about soloman northrup.