生みの親 (うみのおや)biological parent; founder; creator

biological parentexpressions (phrases, clauses, etc.), noun (common) (futsuumeishi)
founder; creatorexpressions (phrases, clauses, etc.), noun (common) (futsuumeishi)

生みの親, its kanji, and other words that share them.Open this graph

Kanji in 生みの親

学生がくせいstudent (esp. a university student)
生活せいかつliving; life (one's daily existence)
生産せいさんproduction; manufacture
人生じんせい(human) life (i.e. conception to death)
先生せんせいteacher; instructor
厚生省こうせいしょうMinistry of Health and Welfare (now Ministry of Health, Labour and Welfare)
年生ねんせいpupil in ... year; student in ... year
新生しんせいrebirth; new birth
母親ははおやmother
父親ちちおやfather
親おやparent; parents
両親りょうしんparents; both parents
親子おやこparent and child
親方おやかたmaster; boss
親類しんるいrelative; relation
肉親にくしんblood relationship; blood relative

See how 生みの親 connects to the rest of Japanese.