Christian II (archbishop of Mainz) Christian II (archbishop of Mainz) Christian II ("c".1185 – 21 November 1253), also called Christian von Weisenau and Christian von Bolanden, was the archbishop of Mainz from 1249 to 1251. He belonged a respected local family of Weißenau, descended from the "ministeriales" of Bolanden and related to the lords of Eppstein. His parents' names are unknown, but his grandparents were Dudo and Gisela and his brothers were Dudo and Embricho. Christian first emerges as the provost of the collegiate church of Saint Victor in Mainz, and then progressively as cantor, dean and provost of the cathedral chapter of Mainz. After
Doctor (title) to address envelopes to medical doctors, omitting the pre-nominal title of Dr (e.g. John Smith, Esq, MD; John Smith, MD; John Smith, MB) except in Scotland and for general practitioners, where the post-nominals are instead usually omitted (e.g. Dr John Smith). Black's also state that it is down to individual choice whether non-medical doctors are addressed on envelopes as "Dr John Smith" or "John Smith, Esq, PhD" (or appropriate letters for the doctorate held), with the exception of doctors of divinity, who would be "The Rev. J. Smith, DD" on the envelope and "Reverend Sir" in a formal salutation (informally