son of Alexander II who was czar of Russia (1845-1894)

the cardinal number that is the sum of seven and one, adjective_ being one more than seven

The cardinal number equal to 2 + 1, Something having three parts, units, or members, A symbol representing three units, as 3 or iii, adjective_ being one more than two, One more than two; two and one

Alternative capitalization of III, the cardinal number that is the sum of one and one and one, adjective_ being one more than two