Family structure
　Father: Sylvester
　 Mother: Florencia
　 Younger sister: Charlotte
　 Younger brother: Melchior
　 Younger sister: fourth child

　 Younger sister-in-law: Rozemyne (parents' adopted daughter)

　 Paternal relatives
　 Grandmother: Veronica
　 Aunt: Georgine
　　　 Cousin: Alstede
　　　 Cousin: Wolfram (deceased)
　　　 Cousin: Detlinde
　 Aunt: Constanze
　　　 Cousin: Rudiger (double cousin)
　 Grandfather: Adelbert
　 Half-uncle: Ferdinand

　 Maternal relatives
　 Uncle: Aub Frenbeltag
　　　 Cousin: Rudiger (double cousin)

Status
　Class: archducal family
　 Occupation: archduke candidate

Age related
　Grade difference with Rozemyne: same grade
　 Birth season: spring

He's an archduke candidate of Ehrenfest. Sylvester and Florencia's oldest son. He has pale blonde hair and dark green eyes.