<Dl> <Dd> The family patriarch , Jack is Amy and Lou 's grandfather and was Marion 's father . He is a former rodeo star and was once a cattle rancher . When Marion took over , Heartland became a horse ranch . After her death , Jack helps Amy and Ty maintain Heartland and its horses and is the one who fixes broken equipment , fences , and the like . Early in the series , he was very hostile towards ex-son - in - law Tim . The men have maintained a difficult relationship stemming from Tim 's troubled past with alcohol and prescription drug abuse , his acrimonious divorce from Marion , and lack of involvement in Amy and Lou 's lives . Jack seems to barely tolerate Tim 's presence at times , and they 've had numerous arguments over the running of the ranch . Jack was also initially hostile towards Ty . He warned Ty to keep ten feet away from his granddaughters at all times , and that any part of him that crossed that line would be removed . Later , he comes to accept Ty like a son and shows a great deal of concern and paternal affection for him . When Ty seeks permission from Jack to ask for Amy 's hand in marriage , Jack gives him his blessing . In terms of personality , Jack is very stubborn and reluctant to accept change of any kind . This trait sometimes causes friction between him and others , most notably his romantic interest , Lisa Stillman , and with his granddaughter Lou . In season 7 , Jack finally asks Lisa to marry him , and she says yes . They elope in the season 7 finale . Jack also suffers from heart problems after having a heart attack . When Jack is missing one episode after collapsing in the fields , Tim is the one to find and save him . Jack dotes on his two great - granddaughters , Katie and Georgie . </Dd> </Dl>
<Dl> <Dd> The family patriarch , Jack is Amy and Lou 's grandfather and was Marion 's father . He is a former rodeo star and was once a cattle rancher . When Marion took over , Heartland became a horse ranch . After her death , Jack helps Amy and Ty maintain Heartland and its horses and is the one who fixes broken equipment , fences , and the like . Early in the series , he was very hostile towards ex-son - in - law Tim . The men have maintained a difficult relationship stemming from Tim 's troubled past with alcohol and prescription drug abuse , his acrimonious divorce from Marion , and lack of involvement in Amy and Lou 's lives . Jack seems to barely tolerate Tim 's presence at times , and they 've had numerous arguments over the running of the ranch . Jack was also initially hostile towards Ty . He warned Ty to keep ten feet away from his granddaughters at all times , and that any part of him that crossed that line would be removed . Later , he comes to accept Ty like a son and shows a great deal of concern and paternal affection for him . When Ty seeks permission from Jack to ask for Amy 's hand in marriage , Jack gives him his blessing . In terms of personality , Jack is very stubborn and reluctant to accept change of any kind . This trait sometimes causes friction between him and others , most notably his romantic interest , Lisa Stillman , and with his granddaughter Lou . In season 7 , Jack finally asks Lisa to marry him , and she says yes . They elope in the season 7 finale . Jack also suffers from heart problems after having a heart attack . When Jack is missing one episode after collapsing in the fields , Tim is the one to find and save him . Jack dotes on his two great - granddaughters , Katie and Georgie . </Dd> </Dl>
when do jack and lisa get married on heartland
when do jack and lisa get married on heartland
in the season 7 finale
in the season 7 finale