Hi

According to the census records your grandfather was John W Richardson and your fathers older brother was John B Richardson.

There is information available on familysearch.org.

Below is the 1930 Census for your father to get you started, just start tracking backwards from here.

1930 US Census

Name: Edward H Richardson
Home in 1930: Sugar Hill, Gwinnett, Georgia
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Age: 0
Estimated Birth Year: abt 1930
Relation to Head of House: Son
Father's name: John W Richardson
Mother's name: Mattie E Richardson
Race: White
Occupation:

Education:

Military Service:

Rent/home value:

Age at first marriage:

Parents' birthplace:

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Neighbors: View others on page
Household Members:
Name Age
John W Richardson 41 married at age 24
Mattie E Richardson 35 married at age 18
John B Richardson 16
Cora Richardson 14
Ellene Richardson 12
Annie B Richardson 8
Mary B Richardson 6
Dorothy L Richardson 5
Mildred D Richardson 2 10/12
Edward H Richardson 2/12
Mary J Richardson 76 mother married at age 26 is widow

all born in Georgia.

Mary J Richardson was also a widow in 1910 Census.

Happy Hunting

Your Great Grandparents Marriage from familysearch.org

Elisha J Richardson
Georgia Marriages, 1808-1967

marriage: 31 Jul 1873 ?Gwinnt, Gwinnett, Georgia
spouse: Mary J. Leach

record title: Georgia Marriages, 1808-1967
groom's name: Elisha J. Richardson
bride's name: Mary J. Leach
marriage date: 31 Jul 1873
marriage place: Gwinnt, Gwinnett, Georgia
indexing project (batch) number: M71298-1

system origin: Georgia-EASy
source film number: 310855

Happy Hunting