What is it runs in the family? What about four generations under one roof?

Grandpa: Born in1900/1912/1924.

Grandma: Born in1902/1914/1926.

Dad (father): Born in1932/1944/1956.

Grandpa: Born in19011913/1925.

Grandma: Born in1903/1915/1927.

Mom (mother): Born in1933/1945/1957.

Children (son, daughter, grandson, granddaughter, grandson, granddaughter): born in1963/1975/1987.

There are seven people in a family.

The first generation: grandfather, grandmother, grandfather and grandmother, born from 1900 1 October to19291February 3 1.

The second generation: father, mother, uncle, aunt, uncle, aunt, uncle, uncle, menstruation,

Born in 1930, 1 October1to 1959,12,31.

Third generation: I and my brothers and sisters, 1 October 1960 to1February 1989 to 12 to 3 1 born.

The normal age gap between parents and children is 30 years old, and that between grandparents and grandchildren is 60 years old.

The above situation is a family in it runs in the family.

Four generations living under one roof are as follows:

Great grandfather: Born in1870/1882/1894.

Great-grandmother: Born in1872/1884/1896.

Grandpa: Born in 187 1 year/1883/1895.

Grandma: Born in1873/1885/1897.

Grandpa: Born in1902/1914/1926.

Grandma: Born in1904/1916/1928.

Grandpa: Born in1903/1915/1927.

Grandma: Born in1905/1917/1929.

Father: Born in1934/1946/1958.

Mother: Born in1935/1947/1959.

Child: Born in1965/1977/1989.

Introduction of family members:

Grandfather is the eldest son of great-grandfather, great-grandmother, and the eldest son-in-law of great-grandfather and great-grandmother;

Grandmother is the eldest daughter and daughter-in-law of great-grandfather, great-grandmother;

Grandfather is the second son of great-grandfather and great-grandmother, and the second son-in-law of great-grandfather and great-grandmother;

Grandmother is the second daughter of great-grandfather and great-grandmother, and the second daughter-in-law of great-grandfather and great-grandmother.

First generation: 10 month 1870 to 1 to February 1899 to 1 born.

Second generation: 10 month 1900 to 1 to February 1929 to 1 born.

The third generation: born in 1930, 10/to February 1 959, 1.

The fourth generation: born in 1960, 10/to February 1 989, 1.