(ろう) (n) old age; age; old people; the old; the aged [EDICT]
(lǎo, ㄌㄠˇ) prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity; old (of people); venerable (person); experienced; of long standing; always; all the time; of the pas [CE-DICT]
爺
(じじ;じじい;じい) (n) (1) (uk) (See 祖父・2) old man; (2) (じじい only) (derog) geezer [EDICT]
(yé, ㄧㄝˊ) grandpa; old gentleman [CE-DICT]
後
(あと) (n,adj-no) (1) (See 後ずさり) behind; rear; (2) (See その後) after; later; (3) after one's death; (4) remainder; the rest; (5) descendant; successor; heir; (6) (arch) past; previous; (n-adv) (7) more (i.e. five more minutes); (P) [EDICT]