Israel Underhill
Israel was born on August 17th, 1804.²   He died at the age of 64 on March 2nd, 1869.² 

 Mary Louisa Williams
Mary Louisa was born on August 21st, 1810.²   She died at the age of 63 on December 12th, 1873.² 

 Andrew Mitchell Underhill
Andrew Mitchell was born in 1835.²   He died at the age of 63 in 1898.²