David Berkman
David was born in 1842 in Russia.¹   He died at the age of 56 on April 17th, 1898 in Boston, MA.¹ 

 Ida Livingstone
Ida was born in 1863 in Russia.¹   She died at the age of 41 on August 31st, 1904 in Boston, MA.¹ 

 Frume Jacke Berkman
Frume Jacke was born on December 28th, 1889.^1 1 

 Benjamin David (Bennett) Berkman
Benjamin David (Bennett) was born on October 20th, 1893 in Boston, MA.¹   He died at the age of 63 on December 27th, 1956 in Stamford, CT.¹ 

 David Berkman
David was born on July 23rd, 1898.^1 1