Sine Prole
Defined in 3 dictionaries — Cyclopedic (1922), Ballentine's (1916), Bouvier (1914)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
Without Issue. Used in genealogical tables.
Ballentine's Law Dictionary
James A. Ballentine · 1916
Without issue.
Bouvier's Law Dictionary and Concise Encyclopedia
John Bouvier; revised by Francis Rawle · 1914
Without issue. Used in genealogical tables, and often abbreviated into “s. p.”