Complex sentence: In particular, very little material survives regarding succession practices which have been reconstructed as the system of Tanistry; a section of the "Senchas Már" tract on status was apparently devoted to succession, although little survives.
Split into simpler sentences: In particular, very little material survives regarding succession practices, which have been reconstructed as the system of Tanistry. A section of the "Senchas Már" tract on status was apparently devoted to succession, although little survives.