120. Onus of proving a right of support.

It is not necessary in pleading to allege, or in evidence to prove, any special origin for the natural right of support; the onus both in pleading and in proof is on those who deny the existence of the right in the particular case1. In the case of an easement of support2, on the other hand, the acquisition of the right must be proved; but it is sufficient in pleading for the party claiming the right to allege that he is entitled to it; it is not necessary to allege facts from which a title to such right can