question: Who is the paternal grandfather of Tomigusuku Seiryō?
context: [["Tomigusuku Seizoku", [", also known by his Chinese style name , was a bureaucrat of Ryukyu Kingdom.", "Tomigusuku Seizoku was born to the aristocratic \"M\u014d-uji Tomigusuku Dunchi\"  family.", "He was the eldest son of Tomigusuku Seish\u014d (also known as M\u014d Ry\u016bbun), whom served as a member of the \"Sanshikan\" during Sh\u014d Ei and Sh\u014d Nei's reign.", "Seizoku put down the rebellion of the Jana family  together with two generals, Ikegusuku Anrai and Mabuni Ank\u014d (also known as Kin \u014cku).", "All of them received \"ueekata\", the highest rank in the yukatchu aristocracy of Ryukyu.", "Ming China sent a mission for the investiture of King Sh\u014d Nei in 1606.", "Concerned about the rampant \"wak\u014d\" pirates, King Sh\u014d Nei dispatched an army led by Seizoku to defend Nakijin Castle.", "Satsuma Domain invaded Ryukyu in the spring of 1609.", "When Satsuma troops approached Naha, Gushichan Ch\u014dsei led a mission to hold peace talks at Oyamise .", "Tomigusuku Seizoku, Kikuin, Kian, Ikegusuku Anrai, Esu Seish\u014d  and Tsuken Seisoku  were sent as assistants.", "Neither Kabayama Hisataka nor Hirata Masumune appeared at the peace talk, and the peace proposal was rejected by Satsuma.", "Later, Tomigusuku Seizoku and Jana Ueekata oversaw the defense of Yarazamori Castle and Mie Castle in Naha harbor respectively, and repelled an initial Japanese landing there.", "However, the Satsuma navy landed at nearby Makiminato and seized Naha port after the king surrendered.", "Seizoku had to retreat to Shuri.", "His house was burned by Satsuma troops during the siege of Shuri.", "After the surrender of king Sh\u014d Nei, Seizoku was left in Ryukyu to control Shuri Castle under the watch of Satsuma \"bugy\u014d\" together with Nago Ry\u014dh\u014d and Mabuni Ank\u014d, while the king and a number of other officials were brought to Kagoshima, the capital of Satsuma Domain.", "Seizoku served as a member of \"Sanshikan\" from 1614 to 1622."]], ["Fujiwara no Nagara", [", also known as Fujiwara no Nagayoshi, was a Japanese statesman, courtier and politician of the early Heian period.", "He was the grandfather of Emperor Y\u014dzei."]], ["Guillaume Wittouck", ["Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.", "He was the Grandfather of industrialist Paul Wittouck."]], ["Kaya Alp", ["Kaya Alp was, according to Ottoman tradition, the son of K\u0131z\u0131l Bu\u011fa and the father of Suleyman Shah, who was, in turn, the grandfather of Ertu\u011frul, and the great grandfather of the Ottoman Empire founder, Osman I."]], ["Lyon Cohen", ["Lyon Cohen( 1868\u20131937) was a Polish- born Canadian businessman and a philanthropist.", "He was the grandfather of singer/ poet Leonard Cohen."]], ["John Westley", ["Rev. John Westley( 1636 \u2013 78) was an English nonconformist minister.", "He was the grandfather of John Wesley( founder of Methodism)."]], ["Inoha Seiki", [", also known by his Chinese style name, was a bureaucrat of Ryukyu Kingdom.", "Inoha Seiki was the second son of Tomigusuku Seiry\u014d.", "He served as a member of\" Sanshikan\" from 1665 to 1688.", "Motobu\" magiri\" was established in 1666, and was given to him as a hereditary fief.", "He was also the first head of an aristocrat family called M\u014d-uji Inoha Dunchi."]], ["Tomigusuku Seiry\u014d", [", also known by his Chinese style name , was a bureaucrat of the Ryukyu Kingdom.", "Tomigusuku Seiry\u014d was the sixth head of an aristocrat family called M\u014d-uji Tomigusuku Dunchi .", "He was the eldest son of Tomigusuku Seizoku.", "Tomigusuku was elected as a member of \"Sanshikan\" in 1627.", "King Sh\u014d H\u014d dispatched Prince Chatan Ch\u014dsh\u016b (also known as Sh\u014d Kei) and him in 1638 to celebrate Shimazu Mitsuhisa succeeded as \"daimy\u014d\" of Satsuma.", "Prince Chatan returned to Ryukyu in the next year, but Tomigusuku remained in Satsuma to handle official business.", "He sailed back to Ryukyu in 1642 but his ship was shipwrecked near Tokunoshima.", "His body was not found so he had no grave."]], ["Abd al-Muttalib", ["Abd al- Muttalib Shaybah ibn Hashim( c. 497 \u2013 578) was the grandfather of Islamic prophet Muhammad."]], ["Prithvipati Shah", ["Prithvipati Shah( ?\u20131716) was the king of the Gorkha Kingdom in the Indian subcontinent, present- day Nepal.", "He was the grandfather of Nara Bhupal Shah."]]]
supporting_facts: [["Tomigusuku Seiry\u014d", 2], ["Tomigusuku Seizoku", 2]]
evidences: [["Tomigusuku Seiry\u014d", "father", "Tomigusuku Seizoku"], ["Tomigusuku Seizoku", "father", "Tomigusuku Seish\u014d"]]
answer: Tomigusuku Seishō