I just found this, but I think that others have posted much of it. Anyway ~ just in case:
Births:
# Freda D Dear ~ Born March qtr 1925 ~ Mother's name: Van Den Sigtenhorst ~ Bromley Kent
# Emily Maria Sigtenhorst ~ Born Sept Qtr 1872 ~ Islington ~ Volume 1b
# Fanny Sigtenhorst ~ Born Sept Qtr 1875 ~ Holborn ~ Volume 1b
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Deaths:
# Andrew Sigtenhorst born circa 1848 ~ died June qtr 1875 ~ Hackney.
# Fanny Sigtenhorst born circa 1876 ~ died March qtr 1876 ~ Holborn
# Johanna Frederica Van Den Sigtenhorst ~ born 17 Apr 1901 ~ died Jul 1988 age 87 ~ Bromley, Kent
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Census 1871 ~ transcribed as Siglenhorst on 'Ancestry':
Andrew Siglenhorst 23
Emily Siglenhorst 21
Alfred Siglenhorst 1