Frans Julius Johan van Eysinga

He was made a knight in the Order of the Netherlands Lion on 15 September 1860 and commander on 10 March 1881 for his part in creating the Wetboek van Strafrecht (Criminal law code).

Van Eysinga was the son of Idzerd Frans van Eysinga, grietman of Hennaarderadeel and member of the States of Friesland, and Wiskje van Heemstra. He had a brother and four sisters and came from a noble landowning family from Friesland. His paternal grandfather was grietman of Doniawerstal, member of the States of Friesland and member of the Gedeputeerde Staten.

Van Eysinga lived at Wommels and Leeuwarden and would marry twice. His first marriage was at 8 April 1843 with Johanna Henriëtte Reinoudina van Boelens. They had four sons. She would die on 10 January 1849. His second marriage was to Tjallinga Aurelia Wilhelmina Camstra van Welderen baroness Rengers, out of which 5 daughters and a son were born, one daughter dying at an early age.

His brother was grietman of Hennaardereadeel and a brother in law was mayor of Franeker. His third son was mayor of Noordwijkerhout. He was father of I.F. van Humalda van Eysinga, member of the House of Representatives, brother in law of W.J. van Welderen Rengers, member of the Senate and House of Representatives, brother in law of J.W.J. baron de Vos van Steenwijk, member of the House of Representatives, son in law of J.H. van Boelens, extraordinary member of the House of Representatives, and nephew of S.H. Roorda van Eysinga, member of the House of Representatives.