Admiral Sir Robert Waller Otway, 1st Baronet, GCB was a senior Royal Navy officer of the early nineteenth century who served extensively as a sea captain during the Napoleonic War and later supported the Brazilian cause during the Brazilian War of Independence. During his long service, Otway saw action across Europe and in North America and was rewarded in his retirement with a knighthood, baronetcy, and position as a courtier within the Royal Household.

General Sir Loftus William Otway, CB was an experienced and professional cavalry commander of British forces during the Peninsula War who saw extensive service under Sir John Moore in the Corunna Campaign and Wellington in the remainder of the campaign. He also worked training Portuguese troops and spent time serving in Ireland during the 1798 rebellion and Canada. Otway retired after the Peninsula War and was honoured several times for his war service by both the British and Spanish royal families.