Blood Relations
Blood Relationship Chart (by Generation)
Generation Male Female
Three Generations Above 1. Great Grandfather 1. Great Grandmother
2. Maternal Great 2. Maternal Great
Grandfather Grandmother
3. Great Grandfather-in-law 3. Great Grandmother-in-law
Two Generations Above 1. Grandfather 1. Grandmother
2. Maternal Grandfather 2. Maternal Grandmother
3. Grandfather-in-law 3. Grandmother-in-law
One Generations Above 1. Father 1. Mother
2. Uncle 2. Aunt
3. Maternal Uncle 3. Maternal Aunt
4. Father-in-law 4. Mother-in-law
Current Generation (Self) 1. Husband 1. Wife
2. Brother 2. Sister
3. Cousin 3. Cousin
4. Brother-in-law 4. Sister-in-law
One Generations Below 1. Son 1. Daughter
2. Nephew 2. Niece
3. Son-in-law 3. Daughter-in-law
Two Generations Below 1. Grandson 1. Granddaughter
2. Grandson-in-law 2. Granddaughter-in-law
Three Generations Below 1. Great Grandson 1. Great Granddaughter
2. Great Grandson-in-law 2. Great Granddaughter-in-law
Important Terms in Blood Relations
Term of Blood Relation Equivalent Blood Relation
Father of Grandfather/ Grandmother Great Grandfather
Mother of Grandfather/ Grandmother Great Grandmother
Father of Father/ Mother Grandfather
Mother of Father/ Mother Grandmother
Husband of Grandmother Grandfather
Wife of Grandfather Grandmother
Father-in-law of Father/ Mother Grandfather
Mother-in-law of Father/ Mother Grandmother
Father’s Father/ Mother’s Only Son Father
Only Daughter-in-law of Father’s Mother
Father/Father’s Mother
Prepared By: Hans Matthew Antiojo
Husband of Mother Father
Wife of Father Mother
Second Husband of Mother Stepfather
Second Wife of Father Stepmother
Brother of Father/ Mother Uncle
Sister of Father/ Mother Aunt
Husband of Aunt Uncle
Wife of Uncle Aunt
Son of Grandfather/ Grandmother Father/ Uncle
Daughter of Father – in – Law/Mother –in – Mother/ Aunt
Law of Father
Father of Wife/ Husband Father-in-law
Mother of Wife/ Husband Mother-in-law
Children of Same Parents Siblings
Father’s/ Mother’s Only Son/ Daughter Oneself
Son of Father/ Mother Brother
Daughter of Father/ Mother Sister
Son of Second Wife of Father Stepbrother
Daughter of Second Wife of Father Stepdaughter
Son/ Daughter of Uncle/ Aunt Cousin
Brother of Husband/ Wife Brother-in-law
Sister of Husband/ Wife Sister-in-law
Husband of Sister/ Sister-in-law Brother-in-law
Wife of Brother/ Brother-in-law Sister-in-law
Son of Father Brother/ Oneself
Daughter of Father Sister/ Oneself
Father of Son/ Daughter Husband/ Oneself
Mother of Son/ Daughter Wife/ Oneself
Son of Son of Grandfather/ Grandmother Cousin/ Brother/ Oneself
Daughter of Son of Grandfather/ Grandmother Cousin/ Sister/ Oneself
Son of Brother/ Sister Nephew
Daughter of Brother/ Sister Niece
Grandson of Father/ Mother Nephew/ Son
Granddaughter of Father/ Mother Niece/ Daughter
Husband of Daughter Son-in-law
Wife of Son Daughter-in-law
Husband of Sister/ Sister-in-law Brother-in-law
Wife of Brother/ Brother-in-law Sister-in-law
Husband of Daughter Son-in-law
Prepared By: Hans Matthew Antiojo
Wife of Son Daughter-in-law
Son of Son/ Daughter Grandson
Daughter of Son/ Daughter Granddaughter
Son’s/ Daughter’s Grandson Great Grandson
Son’s/ Daughter’s Granddaughter Great Granddaughter
Prepared By: Hans Matthew Antiojo