Do not have a lead for you, but would caution you to make sure your Dad meets any dog you find before making it a permanent addition.
The majority of Wirehair’s I have known were ‘maniacal’ hunters, and would not stop, even for injury. Have had two take sticks, one in the gut, and one 2” up into the foot/ankle. Neither one wanted to stop. Both recovered fine.
First time I have heard of that mix!