Robert T.H.K. Stewart 49, of Hilo, Hawaii, died in Hilo on April 19, 2020. He was born in Hilo. A Celebration of Life will be held at a later date. SHARE ON FACEBOOK SHARE VIA EMAIL Our deepest condolences to the family and friends of the deceased ADVERTISEMENT Explore more Try a 14-day Free Trial today with Ancestry® Save 40%* or more on AncestryDNA® offers Your family story in richer detail: AncestryDNA® + Family Tree Package Sponsored by Ancestry