Five Generations of SeniorsThe five generations of seniority were as follows: great-grandfather, great-grandfather, grandfather, son, great-grandson, great-great-grandson. In addition, there were also other forms of address, such as one's father, father's father, grandfather, grandfather's father, great-grandfather, great-grandfather's father, great-grandfather, father's son, son's son, grandson, grandson's son, great-grandson, great-grandson's son, great-grandson's son, great-great-grandson. Other titles included ancestor, grand emperor, grand master, father, grand uncle, second uncle, third uncle, fourth uncle, fifth uncle, eldest branch grandfather, husband, father-in-law, father-in-law, grandfather, maternal grandfather, maternal grandfather, grandfather, old master, and so on.