Daniel Elsevier lived from about 1630 to 26 February 1688. He served the Admiralty of Amsterdam. He was a lieutenant in 1665, captain in 1672, Schout-bij-Nacht in 1683, and Vice-Admiral in 1686.
In 1666, he took the captured Sir George Ayscue to the Netherlands after the Four Days Battle. In 1672, he commanded the Stavoren at Solebay, where he was caught, captured, and exchanged. In 1673, he commanded the Zeelandia at Schooneveld and Kijkduin. In 1676, he commanded the Ackerboom (60 guns) in the Sound under Philips van Almonde. He fought at Bornholm and Oland against Sweden. In 1677, he was a pallbearer at De Ruyter's funeral. In 1678, he served under Evertsen in the relief fleet to Spain. In 1683, he commanded the Moriaanshoofd in the expedition of Schepers to Gothenburg and saved the Hollandia on the return voyage. This well have been the occasion when a storm sank many Dutch warships.
Hendrick Bruysvelt served the Friesland Admiralty. Mollema didn't know his birthdate, but he died in 1675. He was a captain in 1658 and Schout-bij-Nacht in 1665. From 1630 to 1644, he served in Brazil. In 1658 and 1659, he commanded the Oostergo (54 guns) under De Ruyter in the Sound. In 1665, as Schout-bij-Nacht, his flagship was the Albertina (50 guns) at the Battle of Lowestoft. In 1666, he served with distinction at the Four Days Battle, where he captured two English ships. In 1667, he commanded the Prins Hendrick Casimir (72 guns) in the raid on Chatham. In 1672 to 1673, he commanded his own ship at Solebay and Kijkduin. In 1674, he served under Cornelis Tromp on the French coast.
This information is drawn from J.C. Mollema.