Jack of Hartt – FOR SALE1) For Sale under $50k, For Sale / By Georgia Hunt Jack of Hartt (Bitsy) is a 2017 16’1 registered Westfalen mare. FDF Braveheart x Timebreaker. "Bitsy" is a brave sporty jumper type that due to her brave nature also shows potential as an event horse. Questions? Get in Touch We'll get back to you as soon as we can. Your name (required): Your email (required): Which horse are you interested in? (required): How can we help? Just to be sure you're human... 2+3?