Their first son , Thomas Frederick Birch ( born 16 January 1805 ) was in the Royal Navy , was commander of HMS Wizard ( 1830 ) in 1837 .
Their first son , Thomas Frederick Birch ( born 16 January 1805 ) retired a Rear - Admiral .
Their first son , Thomas Frederick Birch ( born 16 January 1805 ) was in the Royal Navy , was commander of HMS Wizard ( 1830 ) in 1837 , and retired a Rear - Admiral .