Yor. [i.e., Richard of Shrewsbury, Duke of York] Mary they ſay, my Vnckle grew ſo faſt, / That he could gnaw a cruſt at two houres old: / Twas full two yeares ere I could get a tooth. / Granam this would haue heene^([sic – meaning beene]) a biting ieſt. / Dut. [i.e., Cecily Neville, Duchess of York] I pray thee prety Yorke who tolde thee ſo. / Yor. Granam his nurſe.
Source: wiktionary