How to say this is one thing my father left to me. in Japanese
1)
これはこれは(koreha) (exp) as for this/hey there/see here/i say父父(chichi) (ok) fatherがが(ga) (prt) indicates sentence subject/indicates possessive/but/however/still/and私私(watashi) (pn,adj-no) i/meにに(ni) (prt) indicates such things as location of person or thing, location of short-term action, etc.残残(zan) (n,pref) remaining/left-over/excessしし(shi) (num) 10^24/septillion/quadrillionてくれたもno dictionary result, likely a conjigated verbの(prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates questionがが(ga) (prt) indicates sentence subject/indicates possessive/but/however/still/and一つ一つ(hitotsu) (num) one/for one thing/only/even/justあるある(aru) (adj-pn) a certain .../some ...。。(。) Japanese period "."
