George SERJEANT married St George Hannover Sq. 1814 to Ann JAMES
1851 census St Pancras
George Serjeant, head, born abt 1791 St Pancras, cabinet maker (He died 1864)
Ann Serjeant, wife Ann born abt 1795 St Pancras
George Serjeant jnr, son born 1819 St Pancras, printer copperplate
Jane Serjeant 25, wife of George jnr (maiden name Parkman married 1848)
Jane Serjeant daughter of George jnr
George Serjeant son of George jnr
James Serjeant, son born 1824 St Pancras, widower, printer copperplate
Mary Serjeant 3, daughter of James
Thomas Serjeant, son born 1827 St Pancras, printer copperplate
William Serjeant, son born 1835 St Pancras, pianoforte key maker
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In 1861 census Only father George, wife Ann and youngest son William (still single) are living in the same house.
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Except for James, all the brothers are easy to trace marriages, children, and through the census and to their deaths, etc.
This probably birth of James daughter seen in the 1851 census and 1861
SARJANT, MARY ANN mother: GROVES
GRO Reference: 1849 J Quarter in SAINT PANCRAS Volume 01 Page 297
Possible death for James - 1870
SERJEANT, JAMES 45
GRO Reference: 1870 S Quarter in HACKNEY Volume 01B Page 336