granddaddy of them all
The first, oldest, or most respected of its kind, as in That computer is the grandaddy of them all. [Colloquial; c. 1900]
Words nearby granddaddy of them all
grandaunt,
grandbaby,
grandchild,
granddad,
granddaddy,
granddaddy of them all,
granddaughter,
granddaughter cyst,
grande,
grande chartreuse, la,
grande dame