[4] Abraham was sent to New York City to learn business with his sister Christina's husband, Philip Livingston.

In 1751, at seventeen years old,[4] he was sent to Europe to learn international business after his father's death, returning to Albany in 1752.

[2] Ten Broeck continued his military involvement and was named colonel of the Albany County militia in 1775.

Ten Broeck was a Federalist presidential elector in 1796, and cast his votes for John Adams and Thomas Pinckney.

[7] Elizabeth and her brother were great-grandchildren of the first native-born mayor of New York City, Stephanus van Cortlandt.

[11] Construction was started on the new home soon after, and the family resided there beginning in 1798 calling the place "Prospect".