Between all of your GG Grandparents and GGG Grandparents (and GGGG grandparents etc, if you feel the need

), what is the largest age gap between them?
My oldest G Grandparent was born in 1882, and my youngest was born in 1896. (14 years)
My oldest GG Grandparent was born in 1842, and my youngest was born in 1877. (35 years)
My oldest GGG Grandparent was born in 1803, and my youngest was born in 1856. (53 years)
My oldest GGGG Grandparent was born about 1753, and my youngest was born in 1836. (83 years)
My oldest GGGGG Grandparent was born about 1734, and my youngest was born in 1811 (of those that I've found). (77 years)
Andrew