Their search for weapons had been satisfied; they had found one weapon, one of the deadliest that their ancestors had ever invented.

Locals claim their ancestors invented surfing using body boards.

Well... maybe their ancestors invented the stuff, and somehow their civilization has degenerated?

Neighborhood Gypsies maintain that their ancestors invented flamenco in the 19th century.

I suppose it's possible; don't they say that our ancestors invented cooking after eating what forest fires left behind?

Earth now supports 7 billion humans only because our ancestors invented agriculture - and subsequent inventors continually improved it century after century.

The stories begin with the big bang, and then moves to the Paleolithic Age, where it is revealed that Peter's ancestor invented the wheel.

Against this kind of politics our political ancestors at the time invented European integration against nationalism, because nationalism in fact means war.

Long before Columbus set foot in the Americas, Lyons's American Indian ancestors invented the game.

His ancestors had invented knives, spears, and flying missiles.