the practice most usual with society at the period when family-dependency is in the first stages of disintegration. Here then emerges the historical difficulty of Primogeniture. The more clearly we perceive that, when the Feudal institutions were in process of formation, there was no source in the world whence they could derive their elements but the Roman law of the provincials on the one hand and the archaic customs of the barbarians on the other, the more are we perplexed at first sight by our knowledge that neither Roman nor barbarian was accustomed to give any preference to the eldest son or his line in the succession to property.
Primogeniture did not belong to the Customs which the barbarians practised on their first establishment within the Roman Empire. It is known to have had its origin in the benefices or beneficiary gifts of the invading chieftains. These benefices, which were occasionally conferred by the earlier immigrant kings, but were distributed on a great scale by Charlemagne, were grants of Roman provincial land to be holden by the beneficiary on condition of military service. The allodial proprietors do not seem to have followed their sovereign on distant or difficult enterprises, and all the grander expeditions of the Frankish chiefs and of Charlemagne were accomplished with forces composed of soldiers either personally dependent on the royal house or compelled to serve it by the tenure of
Q 3
