Name and date of birth from Muriel Leo’s (nee Oliver, 1917-1998) Family Tree.

Dax Eric Clayton Lloyd, (great-grandson of Jessie Bertha Oliver b.1876) writes that, “Arthur George Rumball passed away in 2006”;
“RUMBAL Arthur George
On Monday October 2, 2006 peacefully at Waikato Hospital in his 80th year.
Dearly loved husband and soulmate of Mable for 54 years.
Cherished father and father-in-law of Esther and Jon Morris,
Marilyn and Russell Kisby,
Neil and Christine,
Verna and Steve Forde,
Kevin and Sheryl.
A service will be held at the Taumarunui Funeral Service Chapel 34 Huia St on Friday October 6, 2006 ant 11am, followed by a private cremation at the Hamilton Crematorium, Newstead”.
http://www.freeobituaries.co.nz/freeobits/?cat=5&paged=1