YOU SAID:

I have a friend named Martha and she is a year older than me

INTO JAPANESE

私はマーサという名前の友人を持っているし、彼女は私より年上です。

BACK INTO ENGLISH

She is older than me, and I have a friend named Martha.

INTO JAPANESE

彼女は、私よりも年上とマーサをという名前の友人がいる私。

BACK INTO ENGLISH

She is older than me and I have a friend named Martha.

INTO JAPANESE

彼女は私よりも年上で、私にはマーサという友人がいます。

BACK INTO ENGLISH

She is older than I, and I have a friend called Martha.

INTO JAPANESE

彼女は私よりも年上で、私にはマーサと呼ばれる友人がいます。

BACK INTO ENGLISH

She is older than I, and I have a friend called Martha.