Maya, being the grandmother of Arjun, implies she is the mother of one of Arjun's parents. Divya, as Arjun's sister, shares the same parents as Arjun. Ravi, as Divya's father, is also Arjun's father because siblings have the same parents. Therefore, Maya is Ravi's mother. In other words, Ravi is Maya's son.
In a family, Maya is the grandmother of Arjun. Divya is Arjun's sister. Ravi is Divya's father. What is the relationship between Maya and Ravi? Make your response very short.