Maverick MP Bob Katter has previously blasted any suggestion he could be a dual Lebanese citizen by descent, declaring no one in the federal parliament was more Australian than him.

Mr Katter’s grandfather, Carl Robert Katter, was born in Lebanon’s Kadisha Valley and, according to the independent MP, migrated to Queensland in the late 1800s.

Carl Robert Katter and his wife, Vivian, had their fourth child — Mr Katter’s father — in 1918.

The Katter family is prominent in north Queensland, with Mr Katter and his father, the late Bob Katter Senior, representing the rural seat of Kennedy for a combined 48 years...