Sibbel Builders was a partnership of brothers Herman and Martin Sibbel; they lived in Eltham. Their daughters Wilhelmina McCarroll and Fleur Sibbel founded the furniture design company Zuster. Contents Manningham Heritage Study report, 68-70 Olympus Drive, Lower Templestowe, 8 July 2005, pp260-261: Background of Sibbel Builders Printout: Research information, Sibbel Builders Pty Ltd. Details of Wilhelmina McCarroll and Fleur Sibbel and furniture design company Zuster. Newspaper advertisement: Diamond Valley Leader, 25 June 2008. 19 Spring Street, Greensborough, a Sibbel Classic house [reverse: 43 Para Road, Montmorency].Newspaper clippings, A4 photocopies, etcwilhelmina mccarroll, fleur sibbel, zuster furniture design, martin sibbel, herman sibbel, sibbel builders pty ltd, 19 spring street greensborough, 43 para road montmorency