Edward Basil Irwin –

Events of close relatives
Smrt majke	15 travnja 1956 Christchurch, NZ Aimee Mildred Withers - majka
Smrt polusestre	10 Svibnja 1963 Christchurch, NZ Irene Stewart Morton - half-sister
Smrt oca	1970 Christchurch, NZ Basil Brooke Irwin - otac
Smrt polubrata	9 rujna 1974 Christchurch, NZ John Edward Stewart Morton - half-brother
Smrt polusestre	24 lipnja 1979 Christchurch, NZ Ethel Mildred Morton - half-sister
Smrt polusestre	7 Srpnja 2001 Christchurch, NZ Agnes Claire Morton - half-sister
Burial of a half-sister	15 lipnja 2002 Waimairi Cemetery Agnes Claire Morton - half-sister

Obitelji sa roditeljima
otac Roditelji (unknown)	Basil Brooke Irwin 1888–1970
majka Roditelji Edward Withers Agnes Mildred Hall	Aimee Mildred Withers 1886–1956
	Edward Basil Irwin –

Majčina obitelj sa David Stewart Morton
step-father Roditelji John Morton Janet Finlayson Stewart	David Stewart Morton 1880–1920
majka Roditelji Edward Withers Agnes Mildred Hall	Aimee Mildred Withers 1886–1956
half-sister Obitelj Edward Harold Harvey Taylor Helen Mary Taylor	Ethel Mildred Morton 1911–1979
half-sister Obitelj Geoffrey Charles Dawe	Irene Stewart Morton 1913–1963
half-brother Obitelj Ivy Priscilla Briggs Wendy Ann Morton Patricia Irene Morton John David Stewart Morton	John Edward Stewart Morton 1915–1974
half-sister Obitelj Ian Douglas Bell	Agnes Claire Morton 1917–2001