Biographical sketches, descent information, and references for the forebears, siblings, and cousins of Roda Selleck (1877–1970) and her husband, James Barkley Pollock (1863–1934). Includes families of Henry Selleck of Bay City, Michigan (1851–1907); Franklin Selleck of Utica, Michigan (1811–87); John Harlow Allen of Ann Arbor, Michigan (1832–1902); Elijah Allen (1794–1865), died Lodi Twp., Michigan; Luther Knowlton Madison of Michigan (1793–1860); Finlay Finlayson, born in 1790s in Scotland and died in 1860s in Ontario, Canada; Thomas Pollock (1815–84), died in Stephenson County, Illinois; Morgan van Matre (1813–83), died in Stephenson County, Illinois.