Abu'l-Haytham (Malik) ibn at-Tayyihan al-Ansari was one of the twelve chiefs (naqib [of
ansar]) who attended the fair and met at al-`Aqabah -- in the first `Aqabah and among those
who attended in the second `Aqabah -- where he gave the Holy Prophet the 'pledge of Islam'.
He was present in the battle of Badr and all other battles as well as places of assembly by the
Muslims during the lifetime of the Holy Prophet. He was also among the sincere supporters of
Amir al-mu'minin and he attended the battle of Jamal as well as Siffin where he was martyred.
(al-Isti`ab, vol. 4, p. 1773; Siffin, p. 365; Usd al-ghabah, vol. 4, p. 274; vol. 5, p. 318; alIsabah,
vol. 3, p. 341; vol. 4, pp. 312-313; Ibn Abi'l-Hadid, vol. 10, pp. 107-108; Ansab alashraf,
p. 319). (6). Khuzaymah ibn Thabit al-Ansari. He is known as Dhu'sh-Shahadatayn
because the Holy Prophet considered his evidence equivalent to the evidence of two witnesses
He was present in the battle of Badr, and other battl
