Hi.

The Black Brothers (Sirius and Regulus) - Virgo, Aries

The Dumbledore Brothers ( Albus and Aberforth)- Sagittarius, Taurus

The Weasley Brothers (Bill, Charlie, Percy, Fred, George and Ron)- Gemini, Cancer

The Peverell Brothers (Ignotus, Cadmus, Antioch)- Capricorn, Pisces

The Potter Brothers (Albus and James)- Scorpio, Aquarius

The Creevey Brothers (Colin and Dennis)- Libra, Leo