Proper noun
H.R.H.
Alternative form of HRH
And that, when new buildings were erected and were opened by H.R.H. The Prince George in Michaelmas 1932, this tablet was given the place of honour in the Entrance Hall. Source: Internet
Gerald Paget, The Lineage and Ancestry of H.R.H. Prince Charles, Prince of Wales, Vol. I They also suggest that John's mother may have been Alice Burgh. Source: Internet
;Canadian Garrison In April 1942 the United Kingdom asked Canada to provide military support in Nassau, in part to provide protection services to H.R.H. the Duke of Windsor. Source: Internet