George was born on December 9th, 1852 in Adelaide.1
Birth Notes
Name: George Brereton Birth Date: 9 Dec 1852 Birth Place: Mount Barker Registration Place: Adelaide, South Australia, Australia Father: Thomas Brereton Mother: Mary Hughes Page Number: 102 Volume Number: 4
George and William were twins. They borh married "Cornish" girls (not sisters). George married Rebecca and William married Sarah Jane Cornish. However, their sister Mary Brereton married William John Cornish, Rebecca's brother.