Robbert Renze Victor Hoekstra, 79 passed away May 26, 2020. Robbert was born August 13, 1940 in Jakarta, Indonesia. He moved to the Netherlands with his family in 1952, living in Zaandam. While living in the Netherlands he served in the Royal Dutch Army before moving to Phoenix in 1962. Robbert became a U.S. citizen in 1967 and remained in Phoenix until his death. Robbert worked in mechanical engineering before retiring from Honeywell. He enjoyed taking things apart to see how they worked. He was deeply interested in genealogy and one of his hobbies was tracing his family history. He loved spending time with his grandsons. Robbert is survived by his wife of 45 years, Jolanda Erica Hoekstra, and his four children, Robert, Denise, Michael and Melissa and 5 grandsons. He is also survived by his three sisters, Vonny, Sonja and Ilse; a multitude of nephews and nieces. He is predeceased by his parents, Rudolph Anthonius Hoekstra and Juliana Amelia Francina Heyden Hoekstra.