his son Imam Sajjad S.A.
HAZRAT ALI (R.A) 's sword (ZULFIQAR) is a heavenly sword used by HAZRAT ALI and passed on to IMAM HUSSAIN (R.A) After IMAM HUSSAIN (R.A) was killed in the battle of KARBALA it was returned back to heaven. So no one really knows except HAZRAT ALI (R.A) His son IMAM HUSSAIN (R.A) or IMAM MAHDI who is not yet to be re-appeared.
Of course Imam Hussain (a.s.) is real.
The Sword of 1st Hazrat Imam ALI (A.S) which was came from Heaven and was transfer to 3rd Imam Hazrat Imam HUSSAIN (A.S) by His father Hazrat ALI (A.S). After Imam HUSSAIN (A.S) was killed in the battle of Karbala it was taken back to the Heaven. When 12th Imam Mohammad Mahdi (A.S) (ALLAH knows) will reappear the sword (zulfiqar) will be shining in his hand Insha ALLAH.
Imam Sadiq S.A. is son of Imam Baqir S.A. Imam Baqir S.A. is son of Imam Sajjad S.A Imam Sajjad S.A is son of Imam Hussain S.A. Imam Hussain S.A. and Imam Hasan S.A. are children of Imam Ali S.A.
Imam Hussain S.A. Imam Sajjad S.A. Abbas S.A. Zainab S.A.
Imam Hussain bin Ali , When He died He was 57 years
her of imam hussain(as) is Imam ALI IBN ABI TALIB (AS)
Imam Hasan S.A. and Imam Hussain S.A.
Fatima Sughra Bint Hussain is Imam Hussain (A.S) Daughter
Imam Hasan S.A. and Imam Hussain S.A. from Fatima S.A. daughter of prophet.
His two sons Imam Hassan(A.S) and Imam Hussain(A.S) burried him. (as written in books)
two