I must make a correction to my previous posting. Apolgies to all for posting incorrect info. Mathew and James Alger were the sons of Roger Alger sr. and Johanna of Lyme. John (and 2nd wife Mary) was their older brother.
Children of Roger Alger and Johanna; 1 Roger jr 1687-1759 m. Sarah Stoten 2 Johanna m. Robert Miller 3 Samuel 4 John 1694-1769 m.1st Temperance Tillotson 1704-1727 m.2nd Mary 5 Mathew (Alleger) m. Jannetjer David(s) 6 Benjamin m. Elizabeth Biggs 7 James (Alleger) m. Angenetjer Schoonhoven
Sources; 1 Headstones, Duck River Cemetery, Old lyme, Connecticut 2 Vital records of Lyme, Connecticut. Elizabeth Plimpton 1976 3 Barbour Collection of Connecticut Town Vital Records Vol. 24 Lyme 4 The Genesis of the Allegers of Ulster County, New York; Hunterdon County, New Jersey and Northeastern Pennsylvania Daniel E. Alleger 1970 (Real hard to find a copy of this! Privatly printed, well researched with endless footnotes)