
1) Fraternal one 2) In a footnote 3) Mary-kate, to ashley 4) She may be fraternal
Found on
https://www.crosswordclues.com/clue/twin-sister

Mr Twin Sister, formerly Twin Sister, is an American band from Long Island. Their music has been described as chill wave, indie pop, dream pop, and disco. They have been compared to Cocteau Twins and Portishead. They have toured the US and Europe and have so far released two EPs and one LP. The band members are vocalist Andrea Estella, keyboardist...
Found on
http://en.wikipedia.org/wiki/Twin_Sister
No exact match found.