これ誰の？
Words
此れ
(これ)
this (indicating an item near the speaker, the action of the speaker, or the current topic); this person (usu. indicating someone in one's in-group); now; here; I (me); certainly
誰
(だれ、たれ、た)
who
の
(の)
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
Kanji
Readings: スイ、 だれ、 たれ、 た
Meanings: who, someone, somebody