Johann Heinrich Gossler
Johann Heinrich Gossler (born 28 March 1775, died 3 April 1842) was a Hamburg banker and grand burgher, a member of the Berenberg-Gossler-Seyler banking dynasty, a co-owner (from 1798) of the Berenberg Bank and a senator of Hamburg from 1821.
He was the son of Johann Hinrich Gossler and Elisabeth Berenberg (1749–1822), and the brother in law of Ludwig Erdwin Seyler.
He was the father of Hamburg First Mayor Hermann Gossler and the grandfather of Baron Johann von Berenberg-Gossler (1839–1913).
He was also the great-grandfather of First Mayor Johann Heinrich Burchard.
Hermann Gossler
Hermann Gossler( born 21 August 1802 in Hamburg, died 10 May 1877 in Hamburg) was a Hamburg lawyer, senator( 1842 – 77) and First Mayor and President of the Senate of the Free and Hanseatic City of Hamburg( i.e. the city republic's head of state and head of government) in 1874.
He was Second Mayor in 1870, 1871 and 1873.
During much of his tenure as senator and his first term as Second Mayor, Hamburg was a fully sovereign country, while after 1871, the First Mayor as head of state of republican Hamburg was equal to the federal princes(" Bundesfürsten") within the German Empire.
As a senator, he also served as Lord of Police( Polizeiherr), the equivalent of a Minister of Police.
He belonged to the Hanseatic Berenberg- Gossler banking dynasty and was a son of the banker and senator Johann Heinrich Gossler( 1775 – 1842), co-owner of Joh. Berenberg, Gossler& Co, and the grandson of Johann Hinrich Gossler.
His brothers" Johann Heinrich Gossler"( 1805- 1879) and Wilhelm Gossler continued the firm.
His nephew Johann von Berenberg- Gossler was conferred Baronial rank in 1910.
Hermann Gossler studied law at the University of Heidelberg, and worked as a lawyer in Hamburg from 1826 to 1837.
He became Senate Secretary( roughly comparable to Parliamentary Under- Secretary of State) in 1837.
From 1838 to 1842, he was" Secretarius" of the High Court.
In 1842 he was elected Senator.
He was the father of" Emilie( Emmy) Helene Gossler"( 1838 – 1910), married to banker Georg Heinrich Kaemmerer.
Johann Heinrich Richter
Johann Heinrich Richter( 1803 – 1845) was a German painter.
Johann Heinrich Zopf
Johann Heinrich Zopf (6 April 1691 – 1 February 1774) was a German historian.
Johann Heinrich Schönfeld
Johann Heinrich Schönfeld( 1609 – 1684) was German painter in the Baroque style.
Heinrich Hübschmann
Johann Heinrich Hübschmann( 1 July 1848 – 20 January 1908) was a German philologist.
Johann Heinrich Troll
Johann Heinrich Troll( 1756–1824) was a Swiss painter.
Johann Heinrich Schulz
Johann Heinrich Schulz( 1739- 1823) was a German Lutheran pastor.
Johann Hinrich Gossler
Johann Hinrich Gossler (born 18 August 1738 in Hamburg, died 31 August 1790 in Hamburg) was a German banker and grand burgher of Hamburg, a member of the Hanseatic Berenberg/Gossler banking dynasty and the owner and head of the firm Joh.
Berenberg, Gossler &
Co. (Berenberg Bank).
He was married to Elisabeth Berenberg (1749–1822), the only heir of the Berenberg banking family.
The Gossler Islands in Antarctica are named in honour of his family.
Johann Heinrich Abicht
Johann Heinrich Abicht( 4 May 1762 – 28 April 1816) was a German philosopher.

Question: What nationality is Johann Heinrich Gossler's father?
Answer: German