YOU SAID:

my dog des older than the old granpa of the grand spa

INTO JAPANESE

私の犬はグランドスパの古いグランパよりも古いです

BACK INTO ENGLISH

My dog is older than the old grandpa at the grand spa

INTO JAPANESE

私の犬はグランドスパにいるおじいちゃんよりも年上です

BACK INTO ENGLISH

My dog is older than my grandpa at the grand spa

INTO JAPANESE

私の犬はグランドスパの祖父より年上です

BACK INTO ENGLISH

My dog is older than my grandfather at Grand Spa

INTO JAPANESE

私の犬は、Grand Spaで祖父より年上です

BACK INTO ENGLISH

My dog is older than my grandfather at Grand Spa