I saw previous posts about this part of family, including those from Shelton, Wash. I have an obiturary (hand copied by my gr-grandfather William Van Loon, half bro of Wilhelmina):
2929 wilton St, Denver, CO; March 4, 1931; Mrs E H Maddock returned from Miami OK last Thurs where she had been for 2 weeks assisting in care of her mother, Mrs Albert Sytsma who passed away at that place. Wilhelmina v. Loon was b. Marion Co., IA, Nov. 18, 1858 and was united in marriage to Albert Sytsma, Sept 3, 1879 at Knoxville, IA. To this union was born 6 boys and 3 girls, all living. E.M. Sytsma, Seattle, WA; C.E. Sytsma, Shelton, WA; F.C. Sytsma, Dennis, OK; Albert J. Sytsma, Hayes, KS; S.R. Sytsma, Amity, OR and D. G. Sytsma, Dennis, OK. I am related to Van Loons so have info. re that part of family, but not much more re. Sytsmas per se.