856. Legitimacy.

Questions as to legitimacy frequently arise in connection with claims to peerages1. The status of a legitimate or lawful heir may be questioned in respect of an ancestor, but has usually arisen in respect of the claimant himself at the instance of a counterclaimant or the Crown2. In such cases the physical fact of impotency or of non-access3 or of non-generating access, as the case may be, may always be lawfully proved by means of such legal evidence as is strictly admissible in every other case in which it is necessary that a physical fact be proved