Sada, Beodor, Deredonesel, and Goema, are four other of his eminent towns, the last-named being a handsome place, and situated on a plain five miles from Patientia, whereas the others are built on hills.

"[2]After the Dutch conquered the Spanish colony in northern Taiwan in 1642, they sought to establish control of the western plains between the new possessions and their base at Tayouan (modern Tainan).

On a constant war footing and denied maritime trade by the hostile Dutch-Qing alliance, the Kingdom of Tungning intensively exploited these lands to feed their vast army.

[1] After the successful Qing campaign that resulted in the capitulation of the Kingdom of Tungning, transportation between Taiwan and mainland China was restored, and the immigration of the ethnic Han population to the island—albeit discouraged by official edicts—resurged.

According to the accounts by Huang Shujing, a Qing official dispatched to Taiwan in the early 18th century, and a supra-tribal leadership remained in existence in the Dadu area at that time.

In the aftermath of this, the descendants of Middag either fused into the majority Han population through intermarriage or migrated to present-day Puli, a basin township surrounded by high mountains in central Taiwan.