The husband of a great-aunt could be called great-aunt, great-aunt, or great-aunt. Different places might address the husband of a great-aunt differently, but common titles included great-aunt, great-aunt, or great-uncle.
His great-great-grandfather's father was called the Heavenly Ancestor.
His father was called the Heavenly Ancestor. Gaozu's father was called the Heavenly Ancestor. According to the records in Er Ya, the one who gave birth to him was his parents, the father of his father was his grandfather, the father of his grandfather was his great-grandfather, the father of his great-grandfather was his great-grandfather, and the father of his great-grandfather was his great-grandfather. Thus, the title of the great-great-grandfather's father was Heavenly Ancestor.
His great-grandfather's father called him Tianzu. According to the explanation of Er Ya, the father of Gaozu was called Tianzu.
Northeasterners usually addressed uncles with the surname + uncle. For example, an uncle with the surname Li could call him Uncle Li. Similarly, Northeasterners usually addressed aunties with the surname + aunt. For example, an aunt with the surname Li could call her Aunty Li. This was how he addressed strangers. As for how relatives were addressed, they were usually addressed according to the family's ranking. For example, the second-ranked uncle could be addressed as second uncle, and the second-ranked aunt could be addressed as second aunt. Therefore, when Northeasterners addressed their uncles and aunts, they usually used the surname + uncle or surname + aunt, or they addressed them according to their family rankings.
The descendants of Gaozu were called great-grandchildren.
Uncle's father could be addressed as his biological grandfather or grandmother, or he could directly address them as grandfather or grandmother. However, in some areas, people would address the man according to his seniority. The father of the uncle would be called grandaunt. In general, one could decide how to address his uncle's father according to personal habits and regional customs.
Father's uncle-in-law could be called uncle.
The daughter of her own sister should call her niece.
You can also introduce him to positive social groups or communities. For example, a local book club or a volunteer group. Being around positive people and engaging in positive activities can gradually change his mindset and make him less interested in those unwholesome stories.
The parents-in-law could be addressed as father-in-law and mother-in-law. In the written form of address, it was usually used as father-in-law or father-in-law, mother-in-law or mother-in-law. In their daily lives, they could address each other as father and mother along with their husbands. In addition, one could also directly fill in father-in-law and mother-in-law to indicate their relationship. As long as the relationship could be clearly stated, there was no mandatory rule in the law. If it was his wife's parents, he could just fill in as his father-in-law or mother-in-law.