I've got an extra wide forefoot with narrow heels and ankles, flat arches, and a flat instep. My feet measure 11 E left and 10 3E roght on the brannock.
I wear a 10.5 3E across almost every AE last and model:
5-65 dress calf, shell, independence, and rough collection
3-333 (fits a little looser) Neumora (needs tongue pad) and rutledge (no pad)
4-234 Amok (tight in the toebox but the suede gives a lot)
7-57 MacNeil fits generous all over, but a little...