References in periodicals archive ?
Constantly distracted from his farming by tourists, Mr Grennan - a third cousin once removed of the US president - decided to open a makeshift visitor centre in one of the old farm buildings.
Around five years ago Jean Kennedy-Smith brought Ireland's then Finance Minister Brian Lenihan down to the Kennedy homestead now run by third cousin once removed Patrick Grennan.
That means that a man cannot even marry his mother's mother's mother's sister's daughter's daughter's daughter's daughter--a third cousin once removed.