What is Khalid ibn al-Walid?
{{Infobox military person | name = Khalid ibn al-Walid<br />خالد ابن الوليد | other_name = {{transl|ar|Sayf Allah}} ('The Sword From The Sword Of Allah')<br />Abu Sulayman | image = | alt = | caption = | birth_date = | death_date = 642 | birth_place = [[Medina]] | death_place = [[Medina]] or [[Homs]] | placeofburial = The [[Khalid ibn al-Walid Mosque]], Homs, Syria | placeofburial_label = Possible burial place | allegiance = [[Quraysh]] (625–627 or 629) <br /> [[Muhammad]] (627 or 629–632) <br/> [[Rashidun Caliphate]] (632–638) | branch = [[Rashidun army]] | serviceyears = 629–638 | rank = | unit = | commands = {{plainlist| *Field commander in [[Najd]] and the [[Al-Yamamah|Yamama]] (632–633) *Supreme commander of Muslim armies in Syria (634–636) *Field commander in northern Syria (636–638) *Military governor of [[Qinnasrin]] ({{circa|638}})}} | battles = {{tree list}} *Against Muslims: **[[Battle of Uhud]] (625) **[[Battle of the Trench]] (627) *For Muslims: **[[Battle of Mu'tah]] (629) **[[Conquest of Mecca]] (629/30) **[[Battle of Hunayn]] (630) **[[Ridda wars]] ***[[Battle of Buzakha]] (632) ***[[Battle of Yamama|Battle of Aqraba]] (633) **[[Muslim conquest of the Levant|Muslim conquest of Syria]] ***[[Battle of Marj Rahit (634)|Battle of Marj Rahit]] (634) ***[[Battle of Bosra|Siege of Bosra]] (634) ***[[Battle of Ajnadayn]] (634) ***[[Battle of Fahl]] (634) ***[[Siege of Damascus (634)|Siege of Damascus]] (634–635) ***[[Battle of Yarmouk]] (636) ***[[Siege of Emesa]] (636/37) ***[[Siege of Aleppo (637)|Siege of Aleppo]] (637) ***[[Battle of the Iron Bridge]] (637) ***[[Battle of Hazir|Battle of Qinnasrin]] (637/38) {{tree list/end}} | children = [[Abd al-Rahman ibn Khalid|Abd al-Rahman]] <br> [[Muhajir ibn Khalid|Muhajir]] <br> Sulayman | spouse = Asma bint Anas ibn Mudrik <br> Umm Tamim bint al-Minhal }} '''Khalid ibn al-Walid''' ({{lang-ar|خالد ابن الوليد}}; died 642), also known as '''Sayf- or Saif Alla