Dutch Captain: Nicolaes (Claes) Portugaal

Nicolaes (Claes) Portugaal served the Admiralty of Amsterdam. In August 1672, he commanded the adviesjacht Mercurius (12 guns). On 7 June 1673, he fought in the First Schooneveld Battle, where he commanded the adviesjacht Triton (10 guns). He was assigned to Cornelis Tromp's Van Squadron. He probably fought in the Second Schooneveld Battle, as well, as he was with the fleet on 12 June. Again, he was in Tromp's squadron. He also fought in the Battle of the Texel in August 1673. He was assigned to Isaac Sweers' division in Tromp's squadron. In June 1674, he commanded the snauw Hoen (12 guns) in De Ruyter's fleet sent to Martinique. He was assigned to De Ruyter's squadron. Sources:

1. Gerard Brandt, Het Leven en Bedrijif van den Heere Michiel de Ruiter, 1687.
2. J. R. Bruijn, De Oorlogvoering ter zee in 1673 in Journalen en Andere Stukken, 1966.
3. Carl Stapel, unpublished manuscript "Vlootlijst Schooneveld I 7 juni 1673", 2005.