The Ivar Patch is a pumpkin patch in northern Silverpine Forest. This was once a prosperous and pleasant farm, and Ivar employed many farmhands and servants. That was only until the Scourge ravaged the lands of Lordaeron, however.
World of Warcraft
Three agents of the Forsaken, Rane Yorick, Quinn Yorick, and Erland McKree were tasked with a reconnaissance mission in northern Silverpine. They were ordered to determine the threat levels of wildlife and the Scourge in the region. The deathstalkers passed through the Dead Field, noting the presence of Rot Hide gnolls there before arriving at Ivar's farm. There, the party was ambushed by the ravenous ghouls, and Quinn was injured by Ivar the Foul himself. Quinn and Rane took up a defensive position in Ivar's old house while Erland continued on with the mission. He discovered a large presence of aggressive worgs who ultimately pinned him in a small farmhouse at Malden's Orchard.
The farm's cottage was used a as meeting place for Lord Darius Crowley and Packleader Ivar Bloodfang to discuss their worgen packs working together. Deathstalker Rane Yorick was sent here to gather information.
It may be possible that Ivar and his farmhands did not become ghouls, but instead received the worgen curse, where Ivar then became the alpha male of the Bloodfang worgen known as Packleader Ivar Bloodfang, instead of Ivar the Foul.
It could be that the ghoul mistaken for Ivar was a separate person entirely in life, twisted into an unrecognizable form by the Plague of Undeath, and the Forsaken interloping on the farm grounds merely assumed him and the other present undead to be the fate of Ivar and his farmhands - given the lack of understanding of the worgen curse at the time - while the real Ivar and company became worgen and remained mindless under the control of Archmage Arugal until his demise in Shadowfang Keep before the Cataclysm.