Ancestry.com but the key starting point is to speak to as many older living realtives as you have. Its amazing how far back they can go even if its two or three generations it gives you a strong starting point. Putting the names of Edwardian / Victorian decendents into te Ancestry website then...
I've done the same. Traced our family back to the Norman invasion too. I'm a direct decedant of a Norman Archer Captain Robert de Blakeland (my surname is Blake). Found out we used to have a manor in Wiltshire but lost it when my ancestors sided with the Royalists in the civil war. Damn it!!! If...