

Born in The Hague, The Netherlands on June 26, 1922. Eldest son of Johannes Frans Posthuma and Helena de Langen, his early years were influenced by the Great Depression and by living through the German occupation during World War II. He immigrated to the United States in 1958, and to Canada in 1972.
Professionally, he worked for a number of years as a chemical engineer at Lederle Laboratories. His education included a master’s degree in Chemistry from the University of Utrecht, a master’s degree in Chemical Engineering from New York University, and additional training in Computer Programming. He was certified as a Professional Engineer in the Province of British Columbia in 1972. His work in Canada included being a real estate agent.
Sicco had a wide variety of interests, ranging from strong passion for economics and the stock market, to a life-long interest in gardening. He was a scientist and an intellectual by nature, and loved researching and discussing topics such as health, politics, religion and history. A competitive rower in his youth, he took up square dancing and round dancing in his 60s. During more than 30 years of dancing, he reached the Plus Level in square dancing, and was a constant feature at Vancouver Island dance events.
His personality was a unique mix of being sensitive, highly opinionated, loving, frugal, romantic, strong-willed, critical, and a true gentleman.
Predeceased by siblings Janna, Jan and Heleen.
Will be much missed by children Anne (Ed), Titia (Tom), Hans (Linda) and Els (Glenn); grandchildren Triona (Mike), Lia (Dean), Sarah (Brennan), Claire (Shawn), Ruth, Eric, Christy, Heather and Laura; and great-grandchildren Anna, Ava and Ben.
Beloved partner of Sherran McWillis. Also survived by his first wife Anne Marie and his second wife Regina.
An opportunity for family and friends to remember Sicco will take place on February 27, 2016 at St. John the Divine Anglican Church, 579 5th St., Courtenay, starting at 2:00 p.m.
Arrangements under the direction of Piercy's-Mt. Washington Funeral Home, Courtenay, BC.
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