Sumali is Ravana's maternal grandfather. After his defeat by Vishnu he sends his daughter Kaikasi to the sage Vishrava, hoping for powerful grandsons, and later urges Ravana to seize Lanka.
Every sarga of the Valmiki Ramayana they appear in
Uttara Kanda · 7 sargas
7.5Malyavan, Sumali and MaliUttara Kanda · Sarga 5 · माल्यवान, सुमाली और माली7.6The Gods Turn to VishnuUttara Kanda · Sarga 6 · देवताओं की विष्णु से प्रार्थना7.7Vishnu Fights the RakshasasUttara Kanda · Sarga 7 · विष्णु और राक्षसों का युद्ध7.8The Rakshasas Flee to the UnderworldUttara Kanda · Sarga 8 · राक्षसों का पाताल भागना7.9The Birth of RavanaUttara Kanda · Sarga 9 · रावण का जन्म7.11Ravana Takes LankaUttara Kanda · Sarga 11 · रावण का लंका पर अधिकार7.28Battle with the GodsUttara Kanda · Sarga 28 · देवताओं से युद्ध
