Looking for Young George Augustus B 1880 Nsw Australia

George sailed to NZ his brother Albert(Albie) was there and was marrying Elizabeth(Lizzie) Sharp. George had a tryst with Elizabeth's sister Sarah(Sadie)and my Grandfather George Sharp was born 1906. George married Laura Houghton in 1909 and a daughter Laura Georgina was b in 1910. I would like any information on George or his wife Laura after this date.