Jan Casper Hartsinck1 
Child of Jan Casper Hartsinck and Anna Petronella Crokatt
- Emilie Hartsinck+1 b. 5 Jul 1790, d. 12 Jan 1836
Emilie Hartsinck1 
From 8 November 1824, her married name became Day.1
Children of Emilie Hartsinck and Captain John Day
- Sir John Charles Frederic Sigismund Day1 b. 20 Jun 1826, d. Jun 1908
- William Henry Day1 b. 13 May 1828
- Edward Cecilius Hartsinck Day1 b. 6 Apr 1833, d. 4 Jan 1895
Captain John Day1 
Children of Captain John Day and Emilie Hartsinck
- Sir John Charles Frederic Sigismund Day1 b. 20 Jun 1826, d. Jun 1908
- William Henry Day1 b. 13 May 1828
- Edward Cecilius Hartsinck Day1 b. 6 Apr 1833, d. 4 Jan 1895
Thomas Day1 
Child of Thomas Day and Mary Alice Fleming
- Captain John Day+1 b. 22 Dec 1779, d. 3 Sep 1843
Mary Alice Fleming1 
From 2 May 1777, her married name became Day.1
Child of Mary Alice Fleming and Thomas Day
- Captain John Day+1 b. 22 Dec 1779, d. 3 Sep 1843
Francis Fleming1 
Child of Francis Fleming and Anne Rolan
- Mary Alice Fleming+1 b. 18 Nov 1749, d. a 1807
Anne Rolan1 
Her married name became Fleming.1
Child of Anne Rolan and Francis Fleming
- Mary Alice Fleming+1 b. 18 Nov 1749, d. a 1807
Sir John Charles Frederic Sigismund Day1 
He held the office of Chief Justice of England.1
Rose Henritta Mary Brown1 
From 4 October 1846, her married name became Day.1
William Henry Day1 
