great-grandfather

[ greyt-gran-fah-th er, -grand- ]

/ ˌgreɪtˈgrænˌfɑ ðər, -ˈgrænd- /

a grandfather of one's father or mother.

Origin of great-grandfather

First recorded in 1505–15

Earl Spencer adds, “Effectively, my great-grandfather sold his children to his father-in-law.”

The Real-Life ‘Downton’ Millionairesses Who Changed Britain |Tim Teeman |December 31, 2014 |DAILY BEAST
His great-grandfather, David Yellin, was a prominent Zionist scholar and Israeli pioneer.

Trans in the Holy Land: ‘Marzipan Flowers,’ Tal Kallai, and the Shattering of Israel’s LGBT Taboos |Itay Hod |November 4, 2014 |DAILY BEAST
Lobanov hadn't seen the sea until he was 28, though he has some maritime roots—his great-grandfather was from the Greek islands.

The World's Most Beautiful Boat—Yours for Half a Billion Dollars |Tim Teeman |October 19, 2014 |DAILY BEAST
“Your great-grandfather killed my great-grandfather” can also do the trick.

You, Too, Could Be a Homicidal Zealot |Joel Gold |July 7, 2014 |DAILY BEAST

Charles is 52 and a great-grandfather, which in terms of simple mathematics is quite a feat.

The Stacks: The Neville Brothers Stake Their Claim as Bards of the Bayou |John Ed Bradley |April 27, 2014 |DAILY BEAST
Sir Anthony, the third baronet, took after his great-grandfather and dreamed of sailing north to help the Earl of Mar in 1715.

The Vanity Girl |Compton Mackenzie
This Kirschius was inherited from my great-grandfather and it did not suffer much damage.

Criminal Psychology |Hans Gross
Why, you are actually shivering over something which happened in my great-grandfather's time!

Hester's Counterpart |Jean K. Baird
It was given to my great-grandfather when he was mayor of Middleburg.

The Bow of Orange Ribbon |Amelia E. Barr
My materials for my great-grandfather are almost null; for my grandfather copious and excellent.

The Works of Robert Louis Stevenson - Swanston Edition Vol. 25 (of 25) |Robert Louis Stevenson