The I'Anson family owned Iandra until 1956 .
His grandson , Keith I'Anson ( b. 1925 ) , continued to own part of the estate until 1976 .
The I'Anson family owned Iandra until 1956 , and his grandson , Keith I'Anson ( b. 1925 ) , continued to own part of the estate until 1976 .