Henry Holbrook, Jr. was descended from David and Amias (Cole) Thomson through both his parents. Blue shows the direct lines of descent.
+--E. Holbrook Jr. -----Eliphalet Holbrook
Henry Holbrook --¦ b 1725, d 1776 +--Johanna Rockwood
b 1756, d 1833 ¦
¦ +--Abigail Wight -----Joseph Wight
Henry Holbrook Jr. --¦ b 1735, d 1808 +--Martha Thompson
b 1790, d 1870 ¦
¦ ¦ +--Daniel Cook -----Nicholas Cook
¦ Elizabeth Cook --¦ b 1722, d 1784 +--Elizabeth Staples
¦ b 1758, d 1809 ¦
¦ +--Elizabeth Scott -----Joseph Scott
James Trask Holbrook b 1729, d 1815 +--Elizabeth JENKS
b 1820, d 1864
Ebenezer TRASK +--Robert TRASK
¦ +--b 1733, d 1795 -----Abigail CARRILL
¦ Frederic TRASK ¦
¦ b 1752 --¦ Sarah ALDRICH +--David ALDRICH
¦ ¦ +--b 1739 -----Sarah BENSON
Sarah Trask ¦
b 1789, d 1870 --¦
¦ +--poss. James BURDEN
Mary BURDIN
--¦
+--poss. Mary SANDERS