GREENERPASTURE Free Family History Since 1999
GENEALOGY FAMILY GROUP SHEET

Oscar Greeley Clendenning HAMMERSTEIN

A traditional family group sheet showing the couple, their parents, vital events, and children in one research-friendly record.

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What is a Family Group Record?

A Family Group Record, sometimes called a Family Group Sheet, documents a single family unit in detail. While a pedigree chart looks backward at direct ancestors, a family group record looks sideways and downward, focusing on parents and their children.

It records the names, birth, marriage, and death information for both parents, along with details about their children. Looking at siblings and parents together can reveal naming patterns, gaps between births, migrations, remarriages, and other clues that are easy to miss when people are viewed one at a time.

Family group records also work as evidence containers. They give researchers a place to compare conflicting dates, document sources, and keep notes about why one conclusion seems stronger than another. Used together with pedigree charts, they help turn a collection of names into a connected family story.

Family 1

Husband / Partner

flag photo of Oscar Greeley Clendenning HAMMERSTEIN  Oscar Greeley Clendenning HAMMERSTEIN
Born: 12 July 1895
Place: Manhattan, New York, USA (New York City) (New Amsterdam) (Washington Heights)
Married / Joined: 22 August 1917
Place: Manhattan, New York, USA (New York City) (New Amsterdam) (Washington Heights)
Died: 23 August 1960
Place: Doylestown, Pennsylvania, USA
His Father
flag male ancestor William HAMMERSTEIN
Born: 26 September 1875
Place: Manhattan, New York, USA (New York City) (New Amsterdam) (Washington Heights)
Died: 10 June 1914
Place: Manhattan, New York, USA (New York City) (New Amsterdam) (Washington Heights)
His Mother
flag female ancestor Alice Vivian "Allie" NIMMO
Born: 1874
Place: , New York, USA
Died: 23 August 1910
Place: Manhattan, New York, USA (New York City) (New Amsterdam) (Washington Heights)
Wife / Partner flag female ancestor Myra FINN
Born: 26 June 1896
Place: Manhattan, New York, USA (New York City) (New Amsterdam) (Washington Heights)
Died: 6 October 1960
Place: Manhattan, New York, USA (New York City) (New Amsterdam) (Washington Heights)
Her FatherUnknown
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Her MotherUnknown
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Children

Listed in birth order when known. Select a child for the full genealogy record.

1. flag male ancestor  William HAMMERSTEIN
Born 26 October 1918
, New York, USA
Died 9 March 2001
Washington, Connecticut, USA (New Preston)
Family 2

Husband / Partner

flag photo of Oscar Greeley Clendenning HAMMERSTEIN  Oscar Greeley Clendenning HAMMERSTEIN
Born: 12 July 1895
Place: Manhattan, New York, USA (New York City) (New Amsterdam) (Washington Heights)
Married / Joined: 14 May 1929
Place: Baltimore, Maryland, USA
Died: 23 August 1960
Place: Doylestown, Pennsylvania, USA
His Father
flag male ancestor William HAMMERSTEIN
Born: 26 September 1875
Place: Manhattan, New York, USA (New York City) (New Amsterdam) (Washington Heights)
Died: 10 June 1914
Place: Manhattan, New York, USA (New York City) (New Amsterdam) (Washington Heights)
His Mother
flag female ancestor Alice Vivian "Allie" NIMMO
Born: 1874
Place: , New York, USA
Died: 23 August 1910
Place: Manhattan, New York, USA (New York City) (New Amsterdam) (Washington Heights)
Wife / Partner immigrant flag female ancestor Dorothy Marian Kiaora BLANCHARD
Born: 7 June 1899
Place: Launceston, Tasmania, Australia
Died: 3 August 1987
Place: Manhattan, New York, USA (New York City) (New Amsterdam) (Washington Heights)
Her FatherUnknown
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Her MotherUnknown
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Children

Listed in birth order when known. Select a child for the full genealogy record.

1. flag male ancestor  James Blanchard HAMMERSTEIN
Born 23 March 1931
, New York, USA
Died 7 January 1999
Manhattan, New York, USA (New York City) (New Amsterdam) (Washington Heights)