HOLLAND, MI (WHTC News) - The mother-in-law of former Holland Congressman Pete Hoekstra and a Hope College mathematics professor will be remembered this weekend. Visitation is today, with funeral services tomorrow, for Sylvia Johnson, the mother of Diane Hoekstra, who died on Thursday at age 90, at the Langeland-Sterenberg Funeral Home, and for Mary DeYoung, who passed away on Monday at age 58, at Third Reformed Church. Details on their arrangements are available at http://one.whtc.com/readonly/communityinfo/obituaries/obituarydir20.asp.