Coat of arms of Pitt

The blazon

barry of six, or and az. on a chief of the second, three estoiles, pierced, of the first. — Crest, a dove, with wings expanded, ar. heaked. and legged gu. betw. two ears of wheat or. Pitt, alias Bennet, [Pitthouse, Wilts,] quarterly, ar. and or, an eagle, displayed, gu. — Crest, on a whelk.-shell or, a Cornish chough ppr.

A blazon is the description of a coat of arms in the technical language of heraldry. The drawing comes from that text, and from nothing else.