Complex sentence: He has been described as "one of the most obscure chief justices of the late medieval period"; though he is assumed to have been born between 1370 and 1380, his parentage is not known.
Split into simpler sentences: He has been described as "one of the most obscure chief justices of the late medieval period". Though he is assumed to have been born between 1370 and 1380, his parentage is not known.