GOD'S WORD® Translation
When I was a boy [learning] from my father, when I was a tender and only child of my mother,

American Standard Version
For I was a son unto my father, Tender and only beloved in the sight of my mother.

Berean Study Bible
When I was a son to my father, tender and the only child of my mother,

Douay-Rheims Bible
For I also was my father's son, tender and as an only son in the sight of my mother:

English Revised Version
For I was a son unto my father, tender and only beloved in the sight of my mother.

King James Bible
For I was my father's son, tender and only beloved in the sight of my mother.

World English Bible
For I was a son to my father, tender and an only child in the sight of my mother.

Young's Literal Translation
For, a son I have been to my father -- tender, And an only one before my mother.

Proverbs 4:3 Additional Translations ...