Rudra-prasava-varṇana
The Manifestation and Naming of Rudra / Nīlalohita
ईशानस्य चतुर्थस्य नाम्ना वातस्तनुस्तु या / तस्याः पत्नी शिवा नाम पुत्रश्चास्या मनोजवः
īśānasya caturthasya nāmnā vātastanustu yā / tasyāḥ patnī śivā nāma putraścāsyā manojavaḥ
Īśāna’s fourth manifestation is remembered as Vāta, the Wind. Her consort is named Śivā, and his son is Manojava.