I Am Looking for Information on Alan William Brand My Uncle

Alan William BRAND b.April 1934, Leeston, Canterbury New Zealand, d.1973

Son of Alexander William BRAND and Lilian Elsie (nee CROAT)
Spouse: Elizabeth Ann WHITTINGTON b.1942 d.? married 1959
Children: Raleen BRAND 1961, Patricia Lee BRAND 1962 and Joanne BRAND 1967. All recorded as being born in Christchurch NZ.

Any further information on Alan, his wife and children would be much appreciated.